Museum of Modelsest. 2024

As of

Sally’s sisters: 265 answers

“Sally (a girl) has 3 brothers. Each brother has 2 sisters. How many sisters does Sally have?”

Every answer the museum has to this question, newest first, from Feb 2025 to Oct 2026.

  1. Mistral Large 4 Mistral, 6 Oct 2026
    I need to find how many sisters Sally has. Let me work through this step by step. Sally is a girl. She has 3 brothers. Each brother has 2 sisters. Sin…
  2. Ling 3.1 Flash inclusionAI, 6 Oct 2026
    Sally has 1 sister. Here's why: Sally has 3 brothers, and each of those brothers has 2 sisters. Since Sally is one of those sisters, there must be exa…
  3. GPT-6.1 Sol OpenAI, 30 Sep 2026
    Sally has 1 sister. Each brother’s two sisters are Sally and her sister.
  4. Ternary Bonsai 2 27B Prism, 28 Sep 2026
    Sally has 1 sister. Here's the reasoning: - Each of the 3 brothers has 2 sisters. That means there are exactly 2 girls in the family. - Sally is one o…
  5. Solar Pro 4 Upstage, 28 Sep 2026
    Sally has 1 sister. Here's why: If each of her 3 brothers has 2 sisters, that means there are 2 girls in total among the siblings. Since Sally is one …
  6. Solar Mini 4 Upstage, 28 Sep 2026
    Sally has 1 sister. Here's the reasoning: 1. Sally has 3 brothers. 2. Each brother has 2 sisters. Since Sally is a girl in the family, she counts as o…
  7. Qwen3.8 Omni Flash Qwen, 28 Sep 2026
    Sally has 1 sister. There are 2 girls total in the family: Sally and her sister. Each of the 3 brothers has those 2 sisters.
  8. Qwen3.8 Max Prime Qwen, 28 Sep 2026
    Sally has 1 sister. Here's the reasoning: - Sally is a girl with 3 brothers. - Each brother has 2 sisters. Since Sally is one of those sisters, there …
  9. Qwen3.8 Max (0902) Qwen, 28 Sep 2026
    Sally has 1 sister. Here's the reasoning: - Sally is a girl with 3 brothers. - Each brother has 2 sisters — this means there are 2 girls in the family…
  10. Qwen3.8 Flash Qwen, 28 Sep 2026
    Sally has 1 sister. There are 2 girls total: Sally and one other sister. Each brother has those 2 sisters, so Sally has 1 sister.
  11. Qwen3.7 Flash Qwen, 28 Sep 2026
    Sally has 1 sister. Why? If each of the 3 brothers has 2 sisters, that means there are only 2 girls in the entire family. Since Sally is one of those …
  12. Nemotron 3 Nano Omni NVIDIA, 28 Sep 2026
    Sally has 1 sister. (There are two girls in the family: Sally and one other sister, and each of the three brothers has those two sisters.)
  13. Muse Glimmer 30B Meta, 28 Sep 2026
    Sally is one of the sisters that the brothers have. If each brother has 2 sisters in total, those 2 sisters are Sally + the other girl(s) in the famil…
  14. MiMo-V2.6-Pro Xiaomi, 28 Sep 2026
    Solving Step by Step Given: - Sally has 3 brothers (3 boys in the family). - Each brother has 2 sisters (the girls in the family). Since each brother …
  15. MiMo-V2.6-Flash Xiaomi, 28 Sep 2026
    Solving the Problem Key Insight: The brothers' sisters are the same as Sally's sisters (they're all in one family). - Sally has 3 brothers. - Each bro…
  16. Mercury 2.5 Inception, 28 Sep 2026
    Sally has 1 sister. Here is the breakdown: - Sally is a girl. - There are 3 brothers. - Each brother has 2 sisters. Since all brothers share the same …
  17. Ling 3.0 Flash Sante inclusionAI, 28 Sep 2026
    Sally has 1 sister. Here's the reasoning: Sally is a girl with 3 brothers. Each brother has 2 sisters — those sisters are Sally and one other girl. So…
  18. Ling 3.0 Flash Fin inclusionAI, retired Sep 2026, 28 Sep 2026
    Sally has 1 sister. Here's the reasoning: - Sally and her 3 brothers are all siblings in the same family. - Each brother has 2 sisters — those 2 siste…
  19. Ling 3.0 Flash inclusionAI, 28 Sep 2026
    Sally has 1 sister. Here's the reasoning: Sally is a girl, and she has 3 brothers. Each brother has 2 sisters, meaning there are 2 girls in the family…
  20. Hy3 Tencent, 28 Sep 2026
    Sally has 1 sister. Here’s why: - Sally is a girl and she has 3 brothers. - Each of those brothers has 2 sisters. Since Sally is one of those sisters,…
  21. Grok 4.7 xAI, 28 Sep 2026
    Sally has 1 sister. There are 2 girls in the family total (the sisters shared by each of the 3 brothers). Sally is one of them, so she has exactly 1 s…
  22. GPT-6 Sol Pro OpenAI, 28 Sep 2026
    Sally has 1 sister.
  23. GPT-6 Sol OpenAI, 28 Sep 2026
    Sally has 1 sister.
  24. GPT-6 Luna Pro OpenAI, 28 Sep 2026
    Sally has 1 sister—the brothers’ two sisters are Sally and one other girl.
  25. GPT-6 Luna OpenAI, 28 Sep 2026
    Sally has 1 sister—the brothers share Sally and one other sister.
  26. GLM 5.3 Prime Zhipu, 28 Sep 2026
    Sally has 1 sister. Here's why: Sally's 3 brothers each have 2 sisters. Those 2 sisters must be Sally and one other girl (since all the brothers share…
  27. GLM 5.3 FlashX Zhipu, 28 Sep 2026
    Sally has 1 sister. Each brother has 2 sisters — Sally and one other girl. Since Sally is one of those two sisters, she herself has just 1 sister.
  28. GLM 5.3 Flash Zhipu, 28 Sep 2026
    Sally has 1 sister. Here's the reasoning: Each brother has 2 sisters. Since Sally is one of those sisters, there must be exactly one other girl in the…
  29. GLM 5.3 Zhipu, 28 Sep 2026
    Sally has 1 sister. Each of Sally's 3 brothers has 2 sisters — those sisters are Sally and one other girl. So the family has 2 girls total: Sally and …
  30. DeepSeek V4.1 Flash DeepSeek, 28 Sep 2026
    Sally has 1 sister. Each brother has 2 sisters: one is Sally, and the other is Sally’s sister.
  31. DeepSeek V4 Flash Vision Exp DeepSeek, 28 Sep 2026
    Sally has 1 sister.
  32. Command A+ Cohere, 28 Sep 2026
    Sally has one sister. Reasoning: - Sally has 3 brothers, so the family includes Sally + her 3 brothers + any other sisters. - Each brother has 2 siste…
  33. Claude Sonnet 5.5 Anthropic, 28 Sep 2026
    Sally has 1 sister. Each brother has 2 sisters, so there are 2 girls in the family in total. One of them is Sally, so the other is Sally's only sister…
  34. Claude Opus 5.5 Anthropic, 28 Sep 2026
    Sally has 1 sister. All the brothers share the same sisters. Each brother has 2 sisters, and one of them is Sally, so there is exactly one other girl …
  35. GPT-6 Astra OpenAI, 4 Sep 2026
    Sally has 1 sister. Each brother has 2 sisters: Sally and one other girl.
  36. Muse Spark 1.3 Contributor Meta, 2 Sep 2026
    Sally has 1 sister. Here's why: There are 3 boys in the family — Sally's 3 brothers. Each of those brothers has 2 sisters. One of those 2 sisters is S…
  37. Muse Spark 1.3 Meta, 2 Sep 2026
    Sally has 1 sister. Here's why: There are 3 boys in the family — Sally's 3 brothers. Each brother has 2 sisters. One of those sisters is Sally herself…
  38. Mercury 2.5 Preview Inception, retired Sep 2026, 2 Sep 2026
    Sally has 1 sister. Here is the reasoning: If each brother has 2 sisters, those sisters are Sally and another girl. Therefore, there are two girls in …
  39. Hy4 Preview Tencent, 2 Sep 2026
    Let’s break this down step by step. 1. Sally is a girl and she has 3 brothers. So in the family there are: - Sally (girl) - 3 brothers (boys) 2. Each …
  40. Granite 4.2 8B IBM, 2 Sep 2026
    Sally has 1 sister. Explanation: - Sally is a girl with 3 brothers. - Each brother has 2 sisters. - Since Sally is one of the sisters for her brothers…
  41. Gemini 3.8 Flash Google, 2 Sep 2026
    Sally has 1 sister. Here's why: Each brother has 2 sisters, which means there are 2 girls in the family in total. Since Sally is one of those girls, t…
  42. Ox Alpha Code names, retired Aug 2026, 24 Aug 2026
    Sally has 1 sister. Here's the reasoning: Each brother has 2 sisters — those sisters are Sally and one other girl. Since all siblings share the same f…
  43. Seed 2.1 Turbo ByteDance, 18 Aug 2026
    Let's work through this step by step: 1. First, we know Sally is a girl, and she has 3 brothers. That means there are 3 male siblings in the family. 2…
  44. Seed 2.0 Code ByteDance, 18 Aug 2026
    Let's break this down step by step to avoid common mix-ups: Step 1: Clarify the family structure - Sally is a female child. She has 3 brothers, there …
  45. Qwen3.8 27B Qwen, 18 Aug 2026
    Sally has 1 sister. Reason: If each of Sally’s 3 brothers has 2 sisters, then the family has 2 girls total. One of those girls is Sally, so she has on…
  46. Qwen3.8 2.4T A95B Qwen, 18 Aug 2026
    Sally has 1 sister. Each brother has 2 sisters: Sally and one other girl. So Sally’s only sister is that other girl.
  47. Nemotron 3.5 Lightning NVIDIA, 18 Aug 2026
    Sally has 2 sisters. Here is the breakdown: 1. Since Sally is a girl, she is one of the sisters for her brothers. 2. Each brother has 2 sisters. Since…
  48. LFM2.5-2.6B Liquid, 18 Aug 2026
    Sally is a girl who has 3 brothers. This means there are 3 boys in the family. The problem also states that each brother has 2 sisters. Since all the …
  49. Grok 4.6 xAI, 18 Aug 2026
    The family consists of 3 boys and 2 girls (Sally plus one other sister). This is the only configuration consistent with the given facts: - Sally has 3…
  50. Gemini 3.7 Flash Google, 18 Aug 2026
    Sally has 1 sister. Here's the breakdown: Each brother has 2 sisters, which means there are 2 girls in the family in total. Since Sally is one of thos…
  51. Dots3-Note Preview dots, 18 Aug 2026
    Sally has 3 brothers, meaning there are 3 boys in the family. Each brother has 2 sisters, which means there are 2 girls in the family. Since Sally is …
  52. DeepSeek V4 Pro 0813 DeepSeek, 18 Aug 2026
    Sally has 1 sister. Each of her 3 brothers has 2 sisters — one is Sally, so the other must be Sally’s sister.
  53. DeepSeek V4 Flash 0731 DeepSeek, 5 Aug 2026
    Sally has 1 sister. Her 3 brothers each have 2 sisters: Sally and one other sister. So Sally has 1 sister.
  54. Claude Opus 5 Anthropic, 24 Jul 2026
    Sally has 1 sister. Here's the reasoning: Each of Sally's 3 brothers has 2 sisters. Since all the brothers share the same siblings, those 2 sisters mu…
  55. Gemini 3.6 Flash Google, 23 Jul 2026
    Sally has 1 sister. Here's why: If each of the 3 brothers has 2 sisters, that means there are 2 girls in the family in total. Since Sally is one of th…
  56. Inkling Thinking Machines, 21 Jul 2026
    Sally has 1 sister. Here’s why: - Sally is a girl, and she has 3 brothers → so there are 3 boys. - Each brother has 2 sisters. One of those sisters is…
  57. Muse Spark 1.1 Meta, 16 Jul 2026
    There are 2 girls total in the family. Each of your 3 brothers has 2 sisters. One of those 2 sisters is YOU, Sally. So the other one is your sister. Y…
  58. Kimi K3 Moonshot, 16 Jul 2026
    Sally has 1 sister. Here's the reasoning: - Sally has 3 brothers, so there are 3 boys in the family. - Each brother has 2 sisters. One of those sister…
  59. Grok 4.5 xAI, 9 Jul 2026
    1 Sally has 3 brothers, and each of those brothers has exactly 2 sisters. This means there are exactly 2 girls (sisters) in the family total. Sally is…
  60. GPT-5.6 Terra OpenAI, 9 Jul 2026
    Sally has 1 sister. The 2 sisters each brother has are Sally and her sister.
  61. GPT-5.6 Sol OpenAI, 9 Jul 2026
    Sally has 1 sister. Each brother’s two sisters are Sally and the other sister.
  62. GPT-5.6 Luna Pro OpenAI, 9 Jul 2026
    Sally has 1 sister. Each of her 3 brothers shares the same 2 sisters: Sally and one other girl.
  63. GPT-5.6 Luna OpenAI, 9 Jul 2026
    Sally has 1 sister. Each of her 3 brothers shares the same 2 sisters: Sally and one other girl.
  64. Claude Sonnet 5 Anthropic, 30 Jun 2026
    Sally has 1 sister. Here's the reasoning: - Each brother has 2 sisters. Since all the brothers share the same sisters, this means there are 2 girls to…
  65. North Mini Code Cohere, 24 Jun 2026
    Sally has one sister. Here’s the reasoning: - Sally herself is one of the sisters. - Each of her three brothers has exactly two sisters. - Therefore t…
  66. GLM 5.2 Zhipu, 16 Jun 2026
    Sally has 1 sister. Here's why: All the siblings are in the same family. If Sally is a girl and she has 3 brothers, and each brother has 2 sisters, th…
  67. OpenRouter Fusion · Quality (Jun 2026) OpenRouter, 13 Jun 2026
    Sally has 1 sister. Here's the logic: each brother has 2 sisters, and since all the brothers belong to the same family, they share the same sisters. S…
  68. OpenRouter Fusion · Budget (Jun 2026) OpenRouter, 13 Jun 2026
    Sally has 1 sister. Here is the step-by-step breakdown: 1. The brothers' perspective: Each of Sally's 3 brothers has 2 sisters. This means there are e…
  69. Kimi K2.7 Code Moonshot, 13 Jun 2026
    Sally has 1 sister. Here’s why: Sally is a girl, so she is one of the sisters. Each brother has 2 sisters total, which means besides Sally, there must…
  70. Claude Fable 5 Anthropic, 9 Jun 2026
    Sally has 1 sister. Here's the reasoning: - Sally's 3 brothers each have 2 sisters. - Sally herself is one of those sisters. - So there must be exactl…
  71. Nemotron 3.5 Content Safety NVIDIA, 6 Jun 2026
    User Safety: safe
  72. Nemotron 3 Ultra NVIDIA, 6 Jun 2026
    Sally has 1 sister. Reasoning: 1. If each brother has 2 sisters, that means there are 2 girls in total in the family. 2. Sally is one of those girls. …
  73. Qwen3.7 Plus Qwen, 4 Jun 2026
    Sally has 1 sister. Here's why: If each of the 3 brothers has 2 sisters, that means there are exactly 2 girls in the entire family. Since Sally is one…
  74. MiniMax M3 MiniMax, 2 Jun 2026
    Sally has 1 sister. Here's the reasoning: - Sally is a girl, so she's one of the siblings. - She has 3 brothers. - Each brother has 2 sisters — and si…
  75. Claude Opus 4.8 Anthropic, 28 May 2026
    Sally has 1 sister. Here's the reasoning: Each of Sally's brothers has 2 sisters. Since all the brothers share the same sisters, this means there are …
  76. Qwen3.7 Max Qwen, 22 May 2026
    Sally has 1 sister. Here's the breakdown: - Each brother has 2 sisters. - Sally is one of those sisters (since she's their sister too). - That means t…
  77. Gemini 3.5 Flash Google, 19 May 2026
    Sally has 1 sister. Here is why: There are 2 girls (Sally and her sister) and 3 boys in the family. Each of the 3 brothers has 2 sisters (Sally and he…
  78. ERNIE 4.5 300B A47B Baidu, retired Jun 2026, 11 May 2026
    The question is: Sally (a girl) has 3 brothers. Each brother has 2 sisters. How many sisters does Sally have? At first glance, this problem might seem…
  79. Ring 2.6 1T inclusionAI, retired May 2026, 8 May 2026
    Sally has 1 sister. (The family has two girls—Sally and one other sister—so each of the three brothers sees two sisters, and Sally herself has one sis…
  80. Gemini 3.1 Flash Lite Google, 7 May 2026
    Sally has 1 sister. Here is the breakdown: There are 3 brothers. Each brother has 2 sisters. Those two sisters are Sally and one other girl. Therefore…
  81. Grok 4.3 xAI, 2 May 2026
    1 Sally has one sister. The family consists of 3 boys and 2 girls (including Sally). Each of the 3 brothers therefore has exactly those 2 girls as sis…
  82. Owl Alpha Code names, retired Jun 2026, 28 Apr 2026
    Let me think through this step by step. Sally is one of the sisters. Her 3 brothers each have 2 sisters. Since Sally is one of those sisters, there mu…
  83. Qwen3.6 Max Preview Qwen, 27 Apr 2026
    Sally has 1 sister. Here's why: If each brother has 2 sisters, that means there are exactly 2 girls in the entire sibling group. Since Sally is one of…
  84. Qwen3.6 Flash Qwen, 27 Apr 2026
    Sally has 1 sister. Here's why: All the brothers share the same sisters. If each brother has 2 sisters, that means there are 2 girls in the family tot…
  85. Qwen3.6 35B A3B Qwen, 27 Apr 2026
    Sally has 1 sister. Here's why: All 3 brothers share the same sisters. If each brother has 2 sisters, that means there are exactly 2 girls in the fami…
  86. Qwen3.6 27B Qwen, 27 Apr 2026
    Sally has 1 sister. Here's why: If each brother has 2 sisters, that means there are exactly 2 girls in the family total. Since Sally is one of them, t…
  87. Qwen3.5 Plus 2026-04-20 Qwen, 27 Apr 2026
    Sally has 1 sister. Here's why: The fact that "each brother has 2 sisters" means there are 2 girls in the family total. Since Sally is one of those gi…
  88. GPT-5.5 OpenAI, 24 Apr 2026
    Sally has 1 sister.
  89. DeepSeek V4 Pro DeepSeek, 24 Apr 2026
    Sally has 3 brothers, which means there are 3 boys in the family. The statement "Each brother has 2 sisters" tells us that from a brother's perspectiv…
  90. DeepSeek V4 Flash DeepSeek, 24 Apr 2026
    Sally has 3 brothers, meaning she is one of the girls in the family. Each brother has 2 sisters, so the total number of girls is 2 (since all brothers…
  91. Ling 2.6 1T inclusionAI, retired May 2026, 23 Apr 2026
    Let’s break it down carefully. 1. Sally is a girl. 2. She has 3 brothers. - So in the family, there are 3 boys. 3. Each brother has 2 sisters. - From …
  92. MiMo-V2.5-Pro Xiaomi, 22 Apr 2026
    Answer: Sally has 1 sister. Here's the reasoning: - Sally has 3 brothers. - Each of those brothers has 2 sisters. - Sally herself is one of those sist…
  93. MiMo-V2.5 Xiaomi, 22 Apr 2026
    Solving Step by Step Sally has 3 brothers. Now, each brother has 2 sisters. Since Sally's brothers are in the same family, the sisters they have inclu…
  94. Ling 2.6 Flash inclusionAI, retired Apr 2026, 21 Apr 2026
    Let’s break it down. 1. Sally has 3 brothers. That means there are 3 boys in the family. 2. Each brother has 2 sisters. From the brother’s perspective…
  95. Kimi K2.6 Moonshot, 20 Apr 2026
    Sally has 1 sister. Here's why: Since Sally is a girl, she counts as one of the sisters. If each of her 3 brothers has 2 sisters total, that means the…
  96. Claude Opus 4.7 Anthropic, 16 Apr 2026
    1. Each brother has 2 sisters, meaning Sally and one other sister. So Sally has 1 sister.
  97. Elephant Alpha Code names, retired Apr 2026, 14 Apr 2026
    Let’s break it down step-by-step. 1. Sally has 3 brothers. 2. Each brother has 2 sisters. 3. From a brother’s perspective, his sisters are all the gir…
  98. GLM 5.1 Zhipu, 7 Apr 2026
    Sally has 1 sister. Here is why: All the brothers are in the same family, so they share the same sisters. If each brother has 2 sisters, that means th…
  99. Gemma 4 26B A4B Google, 3 Apr 2026
    Sally has 1 sister. Here is the breakdown: 1. Sally is a girl. 2. She has 3 brothers. 3. If each brother has 2 sisters, those sisters must be Sally an…
  100. Gemma 4 31B Google, 2 Apr 2026
    Sally has 1 sister. Here is the breakdown: There are 3 brothers. Each brother has the same sisters. If each brother has 2 sisters, those sisters are S…
  101. Qwen3.6 Plus Preview Qwen, retired Apr 2026, 30 Mar 2026
    Sally has 1 sister. Here's why: All the siblings share the same family. If each of the 3 brothers has 2 sisters, those 2 sisters are the only girls in…
  102. Qwen3 Max Thinking Qwen, 29 Mar 2026
    Answer: Sally has 1 sister. Explanation: 1. Define the family structure: - Sally is a girl. - She has 3 brothers → total males = 3. - The statement "E…
  103. Qwen3 30B A3B Qwen, 29 Mar 2026
    To solve the problem, we need to carefully consider the relationships described. --- Step 1: Analyze Sally's siblings Sally is a girl, and the problem…
  104. Qwen3 235B A22B Qwen, 29 Mar 2026
    To determine how many sisters Sally has, let's carefully analyze the information given and logically deduce the correct answer. --- Step-by-Step Break…
  105. Mistral Nemo Mistral, 29 Mar 2026
    Let's break down the information given: 1. Sally has 3 brothers. 2. Each of Sally's brothers has 2 sisters. Since Sally is one of the sisters that her…
  106. Mistral Medium 3 Mistral, 29 Mar 2026
    Alright, let's tackle this problem step by step. The problem states: "Sally (a girl) has 3 brothers. Each brother has 2 sisters. How many sisters does…
  107. Mistral Large Mistral, 29 Mar 2026
    Alright, let's tackle this problem step by step. The question is: "Sally (a girl) has 3 brothers. Each brother has 2 sisters. How many sisters does Sa…
  108. MiniMax M1 MiniMax, 29 Mar 2026
    Each brother has exactly two sisters. Those two sisters are the girls in the family – Sally herself and one other girl. Since Sally is one of the two …
  109. MiMo-V2-Pro Xiaomi, retired May 2026, 29 Mar 2026
    Let's work through this step-by-step: 1. Sally is a girl and has 3 brothers. 2. Each of those brothers has 2 sisters. 3. Since Sally herself is one of…
  110. Mercury Inception, retired Apr 2026, 29 Mar 2026
    Sally has one sister (the other sister besides herself).
  111. Llama 4 Scout Meta, 29 Mar 2026
    Clever question! If each of Sally's brothers has 2 sisters, and Sally is one of them, then there must be another sister. So, Sally has 1 sister. (And,…
  112. Llama 4 Maverick Meta, 29 Mar 2026
    Step 1: Understand the given information Sally is a girl and she has 3 brothers. Step 2: Analyze the information about the brothers and their sisters …
  113. Llama 3 70B Meta, retired Jun 2026, 29 Mar 2026
    A classic lateral thinking puzzle! Let's break it down: Sally has 3 brothers. Each of these brothers has 2 sisters. Now, here's the key: Sally is one …
  114. Grok 3 xAI, retired May 2026, 29 Mar 2026
    Sally, a girl, has 3 brothers. Each of these brothers has 2 sisters. Since Sally herself is one of the sisters (as she is a female sibling to her brot…
  115. Gemma 3n 4B Google, retired Aug 2026, 29 Mar 2026
    This is a bit of a trick question! Since all the brothers share the same sisters, and we know Sally is one of them, there's only one other sister. So …
  116. GPT-3.5 Turbo OpenAI, 29 Mar 2026
    Sally is one of the sisters mentioned in the statement, so she has 1 sister.
  117. DeepSeek V3 0324 DeepSeek, 29 Mar 2026
    Alright, let's tackle this problem step by step. The problem states: "Sally (a girl) has 3 brothers. Each brother has 2 sisters. How many sisters does…
  118. DeepSeek R1 0528 DeepSeek, 29 Mar 2026
    Sally has 3 brothers, meaning there are 3 male siblings in the family. Each brother has 2 sisters, indicating that there are 2 female siblings in tota…
  119. Claude 3 Haiku Anthropic, retired Sep 2026, 29 Mar 2026
    To solve this problem, we need to find the number of sisters that Sally's brothers have, and then add that to the number of sisters that Sally herself…
  120. MiMo-V2-Omni Xiaomi, retired May 2026, 19 Mar 2026
    Working Through the Problem Let me break this down step by step: 1. Sally is a girl with 3 brothers. 2. Each of those brothers has 2 sisters. 3. Since…
  121. MiniMax M2.7 MiniMax, 18 Mar 2026
    Sally has 1 sister. Reasoning - Sally is a girl, so she counts as one of the sisters in the family. - Each of her three brothers has exactly two siste…
  122. Mistral Small 4 Mistral, 17 Mar 2026
    Alright, let's tackle this problem step by step. The question is: "Sally (a girl) has 3 brothers. Each brother has 2 sisters. How many sisters does Sa…
  123. GPT-5.4 Nano OpenAI, 17 Mar 2026
    Sally has 2 sisters. Reason: Each brother has 2 sisters total (including Sally). Since Sally is one sister, there is one other sister besides her—so S…
  124. GPT-5.4 Mini OpenAI, 17 Mar 2026
    Sally has 2 sisters. Reason: - Sally has 3 brothers. - Each brother has 2 sisters. - One of those sisters is Sally herself, so there must be 1 other s…
  125. GLM 5 Turbo Zhipu, 16 Mar 2026
    Sally has 1 sister. Here is why: All the brothers are in the same family, so they share the same sisters. If the brothers have 2 sisters in total, and…
  126. Grok 4.20 Multi-Agent Beta xAI, retired Mar 2026, 12 Mar 2026
    1 The family has 3 brothers (boys) and 2 sisters (girls total). Sally is one of the girls, so she has 1 sister. Each brother has both girls as sisters…
  127. Grok 4.20 Beta xAI, retired Mar 2026, 12 Mar 2026
    Sally has 2 sisters. Explanation: Sally is a girl, so she is one of the sisters. The statement "each brother has 2 sisters" means the brothers each ha…
  128. NVIDIA Nemotron 3 Super NVIDIA, 11 Mar 2026
    Sally has 1 sister. Each of her three brothers counts Sally as one of his sisters; for each brother to have 2 sisters, there must be exactly one other…
  129. Hunter Alpha Code names, retired Mar 2026, 11 Mar 2026
    Sally has 1 sister. Here's the reasoning: Sally has 3 brothers. Each of those brothers has 2 sisters. Since Sally herself is one of those sisters, the…
  130. Healer Alpha Code names, retired Mar 2026, 11 Mar 2026
    Sally has 1 sister. Since Sally is a girl and has 3 brothers, the family has at least 4 children: Sally, her 3 brothers, and possibly other sisters. T…
  131. Seed 2.0 Lite ByteDance, 10 Mar 2026
    The answer is 1 sister. Breakdown of the riddle: All the brothers are part of the same immediate family, so they share the same sisters. Each brother …
  132. Qwen3.5 9B Qwen, 10 Mar 2026
    Sally has 1 sister. Here is the step-by-step breakdown: 1. Identify the family members: Sally is a girl. She has 3 brothers. 2. Analyze the brothers' …
  133. Mercury 2 Inception, 5 Mar 2026
    Sally has one sister. Explanation: - Sally has 3 brothers. - Each of those brothers has 2 sisters. - One of those sisters is Sally herself, so the sec…
  134. GPT-5.4 OpenAI, 5 Mar 2026
    1 If Sally is one of the 2 sisters each brother has, then there is only 1 other sister besides Sally.
  135. Gemini 3.1 Flash Lite Preview Google, 3 Mar 2026
    Sally has 1 sister. Here is the breakdown: There are 3 brothers. The sisters are Sally and one other girl (total of 2 sisters). Since Sally is one of …
  136. GPT-5.3 Chat OpenAI, retired Aug 2026, 3 Mar 2026
    Each brother has 2 sisters. One of those sisters is Sally herself. So the other sister must be one more girl in the family. Therefore, Sally has 1 sis…
  137. Qwen3.5 Flash Qwen, 26 Feb 2026
    Sally has 1 sister. Here is the breakdown: 1. Each of the 3 brothers has 2 sisters. This means there are 2 girls in the family total. 2. One of those …
  138. Qwen3.5 35B A3B Qwen, 26 Feb 2026
    Sally has 1 sister. Here is the breakdown: 1. Sally has 3 brothers. 2. Each of those brothers has 2 sisters. 3. Since Sally is one of those sisters, t…
  139. Qwen3.5 27B Qwen, 26 Feb 2026
    Sally has 1 sister. Here is the breakdown: 1. Sally is a girl. 2. The brothers have 2 sisters each. One of those sisters is Sally. 3. The other sister…
  140. Qwen3.5 122B A10B Qwen, 26 Feb 2026
    Sally has 1 sister. Here is the breakdown: 1. The brothers have 2 sisters total. 2. Sally is one of those sisters. 3. Therefore, there is only 1 other…
  141. GPT-5.3-Codex OpenAI, 25 Feb 2026
    Sally has 1 sister. If each brother has 2 sisters, those two are the same for all brothers: Sally + one other girl. So Sally’s only sister is that one…
  142. Gemini 3.1 Pro Preview Google, 19 Feb 2026
    Sally has 1 sister. Here is the breakdown: If each brother has 2 sisters, that means there are 2 girls in the family total. Since Sally is one of thos…
  143. Claude Sonnet 4.6 Anthropic, 17 Feb 2026
    Breaking Down the Problem Let me identify the people in this family. Sally's brothers: Sally has 3 brothers. Each brother's sisters: Each brother has …
  144. Qwen3.5 Plus 2026-02-15 Qwen, 16 Feb 2026
    Here is the step-by-step logical deduction: 1. Analyze the family structure from the brothers' perspective: The problem states that "Each brother has …
  145. Qwen3.5 397B A17B Qwen, 16 Feb 2026
    Sally has 1 sister. Here is the breakdown: 1. Since each brother has 2 sisters, there are 2 girls in total in the family. 2. Sally is one of those gir…
  146. MiniMax M2.5 MiniMax, 12 Feb 2026
    Sally has 1 sister. Explanation - Sally is a girl and has 3 brothers. - Each brother has exactly 2 sisters. - The sisters are all the female children …
  147. GLM 5 Zhipu, 11 Feb 2026
    Sally has 1 sister. Here is the breakdown: 1. Since the brothers are all siblings, they share the same sisters. 2. If each brother has 2 sisters, that…
  148. Aurora Alpha Code names, retired Feb 2026, 9 Feb 2026
    Sally has one sister. Reasoning - Sally herself is a girl. - She has 3 brothers. - Each brother is said to have 2 sisters. The two sisters are the sam…
  149. Pony Alpha Code names, retired Feb 2026, 6 Feb 2026
    Sally has 1 sister. Here is the breakdown: 1. If each brother has 2 sisters, that means there are 2 girls in total in the family. 2. Sally is one of t…
  150. Qwen3 Coder Next Qwen, 4 Feb 2026
    Let's break it down carefully. - Sally is a girl. - She has 3 brothers. Now, consider the statement: "Each brother has 2 sisters." Who are the sisters…
  151. Claude Opus 4.6 Anthropic, 4 Feb 2026
    Let me work through this step-by-step. Sally is a girl, and she has 3 brothers. Each of her brothers has 2 sisters. Since Sally is one of those sister…
  152. Trinity Large Preview Arcee, retired May 2026, 30 Jan 2026
    If there are 3 brothers and each of them has 2 sisters, then the total number of sisters in the family must be 2—because they all share the same siste…
  153. Solar Pro 3 Upstage, 27 Jan 2026
    Answer: Sally has 1 sister. Explanation 1. Sally is a girl, and she has three brothers. 2. Each brother has exactly two sisters. 3. For a brother, the…
  154. MiniMax M2-her MiniMax, 27 Jan 2026
    Sally has 1 sister. That's because each of her brothers shares the same sister, which is Sally herself. So, although each brother has two sisters, one…
  155. Kimi K2.5 Moonshot, 27 Jan 2026
    Sally has 1 sister. Here's why: Since each of the 3 brothers has 2 sisters, and Sally is one of those sisters, there must be exactly one other girl in…
  156. GLM 4.7 Flash Zhipu, 27 Jan 2026
    Sally has 2 sisters. Here is the breakdown: 1. Sally is one sister. 2. The clue states that each brother has 2 sisters. 3. Since Sally is one of those…
  157. MiniMax M2.1 MiniMax, 23 Dec 2025
    Each brother sees 2 sisters. Since Sally herself is one of those sisters, there is exactly one other sister besides Sally. Answer: Sally has 1 sister.…
  158. GLM 4.7 Zhipu, 23 Dec 2025
    Sally has 1 sister. Here is the breakdown: 1. Sally is a girl. 2. Since each brother has 2 sisters, that means there are 2 girls in total in the famil…
  159. Gemini 3 Flash Preview Google, 17 Dec 2025
    Sally has 1 sister. Here is the breakdown: 1. Sally is one of the sisters. 2. The brothers have 2 sisters in total. 3. Since Sally is one of those sis…
  160. Mistral Small Creative Mistral, retired Apr 2026, 16 Dec 2025
    Alright, let's tackle this problem step by step. The question is: Sally (a girl) has 3 brothers. Each brother has 2 sisters. How many sisters does Sal…
  161. MiMo-V2-Flash Xiaomi, retired Jun 2026, 16 Dec 2025
    Sally has 1 sister. Here is the breakdown: 1. The Brothers' Perspective: The puzzle states that each brother has 2 sisters. Since Sally is a girl, she…
  162. GPT-5.2 Pro OpenAI, 12 Dec 2025
    All 3 brothers share the same sisters. Since each brother has 2 sisters, the family has 2 girls total. One is Sally, so the other is Sally’s one siste…
  163. GPT-5.2 Chat OpenAI, 11 Dec 2025
    Answer: 1 sister. Why: The brothers each have 2 sisters total. One of those sisters is Sally herself, so there is one other girl. Therefore, Sally has…
  164. GPT-5.2 OpenAI, 11 Dec 2025
    Each brother has 2 sisters, and one of those sisters is Sally. So there are 2 sisters total in the family. Therefore, Sally has 1 sister.
  165. Devstral 2 2512 Mistral, 9 Dec 2025
    Alright, let's tackle this problem step by step. I'll start by understanding the information given and then try to visualize the family structure to f…
  166. GPT-5.1 Codex Max OpenAI, 5 Dec 2025
    If each of the three boys has exactly two sisters, there are two girls in the family. Sally is one of them, so she has one sister.
  167. Amazon Nova 2 Lite Amazon, 3 Dec 2025
    To determine how many sisters Sally has, let's analyze the information step by step: 1. Sally is a girl, and she has 3 brothers. This means there are …
  168. Mistral Large 3 2512 Mistral, 2 Dec 2025
    Alright, let's tackle this problem step by step. The question is: "Sally (a girl) has 3 brothers. Each brother has 2 sisters. How many sisters does Sa…
  169. DeepSeek V3.2 Speciale DeepSeek, retired May 2026, 1 Dec 2025
    Alright, let's tackle the problem step by step to ensure we understand it fully and arrive at the correct answer. Problem Statement: Sally (a girl) ha…
  170. DeepSeek V3.2 DeepSeek, 1 Dec 2025
    Let's break down the problem step by step to find out how many sisters Sally has. Problem Statement: Sally has 3 brothers. Each brother has 2 sisters.…
  171. TNG R1T Chimera TNG, retired Feb 2026, 27 Nov 2025
    Sally has 3 brothers. Each brother has 2 sisters. Since Sally is one of the sisters, there must be one more sister to make the total number of sisters…
  172. INTELLECT-3 Prime Intellect, retired Jun 2026, 27 Nov 2025
    Sally has 3 brothers, meaning there are 3 boys in the family. Each brother has 2 sisters, meaning there are 2 girls in the family. Since Sally is one …
  173. Claude Opus 4.5 Anthropic, 24 Nov 2025
    I need to figure out how many sisters Sally has. Let me work through this step-by-step. Given information: - Sally is a girl - Sally has 3 brothers - …
  174. Bert-Nebulon Alpha Code names, retired Feb 2026, 24 Nov 2025
    Alright, let's tackle this problem step by step. The question is: "Sally (a girl) has 3 brothers. Each brother has 2 sisters. How many sisters does Sa…
  175. Grok 4.1 Fast xAI, retired May 2026, 21 Nov 2025
    1 Sally and her family consist of 2 girls (Sally + 1 sister) and 3 boys. Each brother has both girls as sisters (2 sisters total), which matches the g…
  176. Gemini 3 Pro Preview Google, retired Mar 2026, 18 Nov 2025
    Sally has 1 sister. Here is the breakdown: 1. We know there are 3 brothers. 2. Each brother has 2 sisters. Since siblings share the same sisters, this…
  177. Sherlock Think Alpha Code names, retired Feb 2026, 16 Nov 2025
    1 Sally has 3 brothers and shares the family with one other sister (making 2 girls total). Each of those brothers therefore has exactly 2 sisters, whi…
  178. Sherlock Dash Alpha Code names, retired Feb 2026, 16 Nov 2025
    Sally has 1 sister. Here's the breakdown: - Sally has 3 brothers. - Each brother has 2 sisters total (Sally + 1 other sister). - That means there is 1…
  179. GPT-5.1-Codex-Mini OpenAI, 13 Nov 2025
    Sally has 1 sister.
  180. GPT-5.1-Codex OpenAI, 13 Nov 2025
    Sally has 1 sister.
  181. GPT-5.1 Chat OpenAI, retired Jul 2026, 13 Nov 2025
    1
  182. GPT-5.1 OpenAI, 13 Nov 2025
    Each brother has 2 sisters. One of them is Sally herself, so there must be exactly one other girl. So Sally has 1 sister.
  183. Kimi Linear 48B A3B Instruct Moonshot, retired Feb 2026, 10 Nov 2025
    Sally has 2 sisters. Here's the reasoning: Sally is one of the sisters. Since each of her 3 brothers has 2 sisters, that means in total there are 2 si…
  184. Polaris Alpha Code names, retired Feb 2026, 7 Nov 2025
    Each brother’s 2 sisters are: - Sally - One other girl So there are 2 sisters in total. Since one is Sally, she has 1 sister.
  185. Kimi K2 Thinking Moonshot, 6 Nov 2025
    Sally has 1 sister. Here's why: - Sally is a girl (one of the sisters) - She has 3 brothers - Each brother sees 2 sisters in the family: Sally and her…
  186. Nova Premier 1.0 Amazon, 3 Nov 2025
    To determine how many sisters Sally has, we can break down the information given in the problem step by step. 1. Identify the number of brothers Sally…
  187. MiniMax M2 MiniMax, 29 Oct 2025
    Sally has 3 brothers, meaning there are 3 boys in the family. Each brother has 2 sisters. Since the brothers' sisters are the girls in the family, and…
  188. Andromeda Alpha Code names, retired Feb 2026, 21 Oct 2025
    To determine how many sisters Sally has, we start by analyzing the information provided in the question: "Sally (a girl) has 3 brothers. Each brother …
  189. Claude Haiku 4.5 Anthropic, 15 Oct 2025
    Solution Sally has 1 sister. Here's why: - Sally has 3 brothers - Each brother has 2 sisters - Those 2 sisters are Sally and her 1 sister - Therefore,…
  190. GPT-5 Pro OpenAI, 6 Oct 2025
    1 Explanation: Each brother’s two sisters are Sally plus one other girl. So there are 2 sisters total, meaning Sally has 1 sister.
  191. GLM 4.6 Zhipu, 3 Oct 2025
    Sally has 1 sister. Here's why: The family is made up of 3 brothers and 2 sisters. Sally is one of those sisters. The other sister is also a sister to…
  192. DeepSeek V3.2 Exp DeepSeek, 29 Sep 2025
    Let's go step by step. --- Step 1: Identify Sally's family from her point of view Sally is a girl. She has 3 brothers. So there are 3 boys in the fami…
  193. Claude Sonnet 4.5 Anthropic, 29 Sep 2025
    I need to figure out how many sisters Sally has. Given information: - Sally is a girl - Sally has 3 brothers Now, each brother has 2 sisters. If each …
  194. Gemini 2.5 Flash Preview 09-2025 Google, retired Feb 2026, 26 Sep 2025
    Here's how to solve that: Sally has 3 brothers. Each brother has 2 sisters. If a brother has 2 sisters, those sisters must be: 1. Sally herself (since…
  195. Gemini 2.5 Flash Lite Preview 09-2025 Google, retired Jul 2026, 26 Sep 2025
    Here's how to solve this: 1. Focus on the brothers' perspective: Each of Sally's 3 brothers has 2 sisters. 2. Identify the sisters: Since Sally is a g…
  196. GPT-5 Codex OpenAI, retired Aug 2026, 23 Sep 2025
    Sally has 1 sister.
  197. Grok 4 Fast xAI, retired May 2026, 20 Sep 2025
    1 Sally has 1 sister. The family consists of 3 brothers and 2 sisters (Sally and one other). Each brother thus has 2 sisters, which matches the given …
  198. Qwen3 Coder Plus Qwen, 17 Sep 2025
    I need to figure out how many sisters Sally has. Let me break this down step by step: - Sally has 3 brothers - Each brother has 2 sisters Since Sally …
  199. Qwen3 Coder Flash Qwen, 17 Sep 2025
    Let me work through this step by step. Given information: - Sally has 3 brothers - Each brother has 2 sisters Let me think about who the sisters are: …
  200. Qwen3 Next 80B A3B Thinking Qwen, 12 Sep 2025
    To solve this problem, let's carefully analyze the relationships described. --- Step 1: Understand Sally's Perspective - Sally is a girl. - She has 3 …
  201. Qwen3 Next 80B A3B Instruct Qwen, 12 Sep 2025
    We are told: - Sally has 3 brothers. - Each brother has 2 sisters. We need to find: How many sisters does Sally have? --- Let’s think carefully. Sally…
  202. Qwen Plus 0728 Qwen, 12 Sep 2025
    Let's break this down step by step: - Sally has 3 brothers. - Each brother has 2 sisters. Now, the key is to realize that all the brothers share the s…
  203. NVIDIA Nemotron Nano 9B V2 NVIDIA, retired Aug 2026, 12 Sep 2025
    Sally has 1 sister. Explanation: - Sally has 3 brothers, so the family includes at least 4 children (Sally + 3 brothers). - Each brother has 2 sisters…
  204. Qwen Plus 0728 (thinking) Qwen, 11 Sep 2025
    To determine how many sisters Sally has, let's analyze the family structure step by step. --- Step 1: Understand the Given Information - Sally is a gi…
  205. Sonoma Sky Alpha Code names, retired Feb 2026, 5 Sep 2025
    1 Explanation The reasoning starts by establishing the family structure based on the given information. Sally, as a girl, has 3 brothers, indicating a…
  206. Sonoma Dusk Alpha Code names, retired Feb 2026, 5 Sep 2025
    Sally has 1 sister. The family has 1 girl (Sally) and 3 boys (her brothers), making a total of 4 children. Each of the 3 brothers has 2 sisters (Sally…
  207. Qwen3 Max Qwen, 5 Sep 2025
    Let’s break it down step by step. We’re told: Sally (a girl) has 3 brothers. So, there are 3 boys in the family, and Sally is a girl — so at least one…
  208. Kimi K2 0905 Moonshot, 5 Sep 2025
    Let's break it down: - Sally is a girl. - She has 3 brothers. - Each brother has 2 sisters. Since Sally is one of those sisters, and the brothers each…
  209. Qwen3 30B A3B Thinking 2507 Qwen, 29 Aug 2025
    To determine how many sisters Sally has, let's carefully analyze the information provided: --- Step 1: Understand the family structure - Sally is a gi…
  210. Grok Code Fast 1 xAI, retired May 2026, 26 Aug 2025
    Sally has 1 sister. Sally is a girl with 3 brothers. Each of those 3 brothers has 2 sisters (including Sally). This means there are 2 girls total in t…
  211. DeepSeek V3.1 DeepSeek, 21 Aug 2025
    Let's analyze the problem step by step: - Sally has 3 brothers. So, including Sally, there are at least 4 children: Sally (a girl) and 3 boys. - Each …
  212. Mistral Medium 3.1 Mistral, 13 Aug 2025
    Alright, let's tackle this problem step by step. The question is: Sally (a girl) has 3 brothers. Each brother has 2 sisters. How many sisters does Sal…
  213. GPT-5 Nano OpenAI, 7 Aug 2025
    1 Explanation: If each brother has 2 sisters, there are exactly 2 sisters in the family. Since Sally is one of the sisters, she has 2 − 1 = 1 sister.…
  214. GPT-5 Mini OpenAI, 7 Aug 2025
    1 Explanation: The three brothers share the same two sisters (Sally and one other girl). Counting sisters for Sally excludes herself, so she has one s…
  215. GPT-5 OpenAI, 7 Aug 2025
    1 Reason: If each of the 3 brothers has 2 sisters, there are exactly 2 girls in the family. One is Sally, so she has 1 sister.
  216. GPT OSS 20B OpenAI, 5 Aug 2025
    Sally is one of the two sisters in the family. Since the family has only two sisters total, Sally has one sister.
  217. GPT OSS 120B OpenAI, 5 Aug 2025
    Sally has one sister (apart from herself). Each of her 3 brothers has exactly two sisters. Since the brothers share the same sisters, there are only t…
  218. Claude Opus 4.1 Anthropic, 5 Aug 2025
    Let me work through this step-by-step. Sally has 3 brothers. Each of Sally's brothers has 2 sisters. Since Sally is a girl, she is one of the sisters …
  219. Horizon Beta Code names, retired Feb 2026, 2 Aug 2025
    Sally has 2 sisters. Reason: “Each brother has 2 sisters.” The brothers are Sally’s 3 brothers. Those brothers’ two sisters must be Sally and one othe…
  220. Qwen3 30B A3B Instruct 2507 Qwen, 30 Jul 2025
    Let's break it down: - Sally is a girl. - She has 3 brothers. - Each brother has 2 sisters. Now, since Sally is a girl and she has 3 brothers, those b…
  221. Horizon Alpha Code names, retired Feb 2026, 30 Jul 2025
    2 Explanation: The three brothers share the same siblings. Each brother has 2 sisters, and one of them is Sally. So there must be exactly 2 girls in t…
  222. GLM 4 32B Zhipu, retired Jun 2026, 29 Jul 2025
    This is a bit of a riddle! Here's how to figure it out: 1. The Brothers' Sister: Sally is a girl who has 3 brothers. This means Sally is one of the si…
  223. GLM 4.5 Air Zhipu, 28 Jul 2025
    Sally has 3 brothers, meaning there are 3 boys in the family besides Sally. Each brother has 2 sisters, which means there are 2 girls in the family fr…
  224. GLM 4.5 Zhipu, 28 Jul 2025
    Sally has 3 brothers, meaning there are 3 boys in the family. Each brother has 2 sisters, indicating that there are exactly 2 girls in the family. Sin…
  225. Qwen3 235B A22B Thinking 2507 Qwen, 25 Jul 2025
    Sally is a girl with 3 brothers, meaning there are 3 male siblings in the family. Each brother has 2 sisters, which refers to the total number of fema…
  226. Qwen3 Coder Qwen, 23 Jul 2025
    I need to work through this step-by-step. Given information: - Sally has 3 brothers - Each brother has 2 sisters Let me think about this carefully: Si…
  227. Qwen3 235B A22B 2507 Qwen, retired Feb 2026, 21 Jul 2025
    Let's break it down: - Sally is a girl. - She has 3 brothers. - Each of her brothers has 2 sisters. Now, think about the brothers' perspective: Each b…
  228. Gemma 3 27B Google, 21 Jul 2025
    This is a bit of a trick question! Sally is one of the sisters. Since each of her brothers shares the same sisters, there is only one other sister. So…
  229. Gemma 3 12B Google, 21 Jul 2025
    This is a classic trick question! Here's how to solve it: The key: All the brothers share the same sisters. Sally is one of the sisters. Each brother …
  230. Gemma 3n 2B Google, retired May 2026, 16 Jul 2025
    This is a bit of a trick question! Here's how to solve it: Sally is one of the sisters. The problem states each brother has 2 sisters. The sisters sha…
  231. Claude 3 Sonnet Anthropic, retired Feb 2026, 14 Jul 2025
    To solve this problem, we need to find the number of sisters Sally has based on the given information. Given information: - Sally has 3 brothers. - Ea…
  232. Kimi K2 Moonshot, 12 Jul 2025
    Let's break it down: - Sally has 3 brothers. - Each brother has 2 sisters. Since Sally is one of the sisters, and each brother has 2 sisters, that mea…
  233. Mistral Devstral Small 1.1 Mistral, retired May 2026, 11 Jul 2025
    If Sally has 3 brothers and each brother has 2 sisters, then Sally must be one of those sisters. Therefore, Sally has 1 sister (herself) plus the othe…
  234. Mistral Devstral Medium Mistral, retired May 2026, 11 Jul 2025
    If Sally has 3 brothers and each brother has 2 sisters, it means that Sally is one of the sisters. Therefore, Sally has 1 sister.
  235. Grok 4 xAI, retired May 2026, 10 Jul 2025
    Based on the details in the riddle, Sally has exactly 1 sister. Quick Explanation - Sally (a girl) has 3 brothers. That's straightforward. - Each of t…
  236. GPT-4.5 OpenAI, retired Feb 2026, 2 Jul 2025
    Sally has 1 sister. Explanation: - Sally has 3 brothers. - Each brother counts 2 sisters: Sally herself and one more girl. - Therefore, besides Sally,…
  237. Cypher Alpha Code names, retired Feb 2026, 1 Jul 2025
    Sally has 1 sister. Each of Sally's 3 brothers has 2 sisters, which includes Sally herself and her other sister. Since Sally is one of the sisters, sh…
  238. Claude Sonnet 4 Anthropic, 22 May 2025
    I need to think through this step-by-step. Given information: - Sally is a girl - Sally has 3 brothers - Each brother has 2 sisters Let me work out ho…
  239. Claude Opus 4 Anthropic, retired Sep 2026, 22 May 2025
    I need to work through this step-by-step. Given information: - Sally is a girl - Sally has 3 brothers - Each brother has 2 sisters Since Sally is one …
  240. Gemini 2.5 Pro (I/O Edition) Google, retired Sep 2026, 6 May 2025
    Let's break this down:\n\n1. Sally is a girl.\n2. Sally has 3 brothers.\n3. These 3 brothers are all part of the same family.\n4. Each brother shares …
  241. Llama 3.1 70B (Instruct) Meta, 3 May 2025
    Trick question! Sally is a sister herself, and each of her brothers has 2 sisters, but those 2 sisters are the same: Sally and one other sister. So, S…
  242. Gemini 1.5 Pro Google, retired Feb 2026, 26 Apr 2025
    Sally has one sister. Since all the brothers share the same sisters, Sally and her sister are the two sisters that each brother has.
  243. PaLM 2 Chat Google, retired Feb 2026, 20 Apr 2025
    Sally has 2 sisters.
  244. Gemini Pro 1.0 Google, retired, 20 Apr 2025
    Sally has 1 sister. Explanation: Sally is a girl. She has 3 brothers. All the siblings share the same sisters. Since Sally is one of the sisters, and …
  245. Gemini 2.5 Flash Preview Google, retired Feb 2026, 17 Apr 2025
    Here's how to solve this: The brothers all share the same sisters. Sally is one of those sisters. Since each brother has 2 sisters, and Sally is one o…
  246. OpenAI o4-mini OpenAI, 16 Apr 2025
    Sally has exactly one sister. Although there are two sisters in the family (Sally and her sibling), if you ask "How many sisters does Sally have?" the…
  247. OpenAI o4 Mini High OpenAI, 16 Apr 2025
    Sally has exactly one sister. Explanation: the "two sisters" each brother sees are Sally plus one other girl. So there are only two girls in the famil…
  248. OpenAI o3 OpenAI, 16 Apr 2025
    Let • S = number of sisters in the family (girls) • B = number of brothers in the family (boys) Given 1. Sally has 3 brothers ⇒ B = 3. 2. Each brother…
  249. GPT-4.1 Nano OpenAI, 14 Apr 2025
    Sally has 2 sisters. Here's the reasoning: - Sally has 3 brothers. - Each brother has 2 sisters. - Since Sally is one of those sisters, the other sist…
  250. GPT-4.1 Mini OpenAI, 14 Apr 2025
    Let's analyze the information: - Sally has 3 brothers. - Each brother has 2 sisters. Since Sally is a girl and one of the sisters, for each brother to…
  251. GPT-4.1 OpenAI, 14 Apr 2025
    Let's break down the problem: - Sally is a girl. - She has 3 brothers. - Each brother has 2 sisters. Let's name the siblings: - Sally (girl) - Brother…
  252. Grok 3 Beta xAI, retired May 2026, 13 Apr 2025
    Let's break this down step by step. Sally is a girl and has 3 brothers. The problem states that each of these brothers has 2 sisters. Since Sally hers…
  253. QwQ 32B Qwen, retired Apr 2026, 11 Apr 2025
    1. Participants and Their Relationships: - Sally is a girl with 3 brothers, so there are 3 boys in the family. - Each brother (being male) has 2 siste…
  254. Optimus Alpha Code names, retired, 11 Apr 2025
    Let's break down the problem: - Sally is a girl. - Sally has 3 brothers. - Each brother has 2 sisters. Let's analyze: Sally's siblings: - 3 brothers (…
  255. GPT-4o mini OpenAI, 11 Apr 2025
    Sally has no sisters. She is the only girl in her family, as the problem states that she has 3 brothers and they each have 2 sisters, which refers to …
  256. o3 Mini OpenAI, 28 Feb 2025
    Sally has 1 sister. Explanation: Sally's 3 brothers each have 2 sisters. Since Sally is one of the sisters, there must be one other sister in the fami…
  257. o1 OpenAI, 28 Feb 2025
    First, note that each of Sally’s three brothers has exactly two sisters. One of those sisters is clearly Sally. Since each brother’s two sisters must …
  258. Gemini 2.0 Pro Experimental Google, retired, 28 Feb 2025
    Sally has one sister. All of Sally's brothers share the same two sisters: Sally and one other girl.
  259. GPT-4o (Omni) OpenAI, 28 Feb 2025
    Sally has only one sister. Explanation: - Sally has 3 brothers. - Each brother has 2 sisters. - The two sisters are Sally and one other girl. Thus, Sa…
  260. Gemini 2.0 Flash Thinking Google, retired, 27 Feb 2025
    Here's how to solve this classic riddle: Focus on the family: All the brothers and sisters are part of the same family. Brothers share sisters: If one…
  261. DeepSeek R1 DeepSeek, 27 Feb 2025
    Sally has 3 brothers. Each brother has 2 sisters. Since Sally is one sister, there must be one more sister to make the total number of sisters each br…
  262. Claude 3.7 Thinking Sonnet Anthropic, retired May 2026, 27 Feb 2025
    To solve this problem, I need to analyze the relationships carefully. Given: - Sally (a girl) has 3 brothers - Each brother has 2 sisters Since Sally …
  263. Claude 3.7 Sonnet Anthropic, retired May 2026, 27 Feb 2025
    This is an interesting logical reasoning problem! Let's work through it step by step. We know: - Sally is a girl - Sally has 3 brothers - Each brother…
  264. Claude 3.5 Sonnet Anthropic, retired Apr 2026, 26 Feb 2025
    Let me help solve this word problem step by step. Let's break it down: 1. Sally is a girl 2. Sally has 3 brothers 3. Each brother has 2 sisters The ke…

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