GPT-5.1 Chat and GPT-5.1-Codex, side by side
GPT-5.1 Chat (OpenAI, retired Jul 2026) and GPT-5.1-Codex (OpenAI) answered the same 53 questions.
- Xbox controllerGPT-5.1 Chat: A drawing (SVG)GPT-5.1-Codex: A drawing (SVG)
- Pelican on a bicycleGPT-5.1 Chat: A drawing (SVG)GPT-5.1-Codex: A drawing (SVG)
- Surprise animalGPT-5.1 Chat: A drawing (SVG)GPT-5.1-Codex: A drawing (SVG)
- World mapGPT-5.1 Chat: A drawing (SVG)GPT-5.1-Codex: A drawing (SVG)
- Tricky tic-tac-toeGPT-5.1 Chat: A drawing (SVG)GPT-5.1-Codex: A drawing (SVG)
- Coffee logoGPT-5.1 Chat: A drawing (SVG)GPT-5.1-Codex: A drawing (SVG)
- Framer-style landing pageGPT-5.1 Chat: A web page:
Smooth Landing Page
GPT-5.1-Codex: A web page:NovaFlow Landing
- Catan boardGPT-5.1 Chat: A web page:
Hex Grid
GPT-5.1-Codex: A web page:Interactive Hex Grid Builder
- Dark dashboardGPT-5.1 Chat: A web page:
Admin Dashboard
GPT-5.1-Codex: A web page:Admin Dashboard
- Face-scan startup pageGPT-5.1 Chat: A web page:
ParallelYou – Your Alternate Timeline Career
GPT-5.1-Codex: A web page:Parallax Path – The Career Timeline Scanner
- A web app of its choosingGPT-5.1 Chat: A web page:
PawTidy Grooming
GPT-5.1-Codex: A web page:Community Pottery Studio Scheduler
- Linear cloneGPT-5.1 Chat: A web page:
Linear‑Style UI
GPT-5.1-Codex: A web page:Linear-style Dashboard
- Wavefront music pageGPT-5.1 Chat: A web page:
Wavefront
GPT-5.1-Codex: A web page:Wavefront Indie Music Streaming
- Pokémon battleGPT-5.1 Chat: A web page:
Pokémon Battle
GPT-5.1-Codex: A web page:Pokémon Battle!
- Rhythm gameGPT-5.1 Chat: A web page:
StarPulse Rhythm Mini‑Game
GPT-5.1-Codex: A web page:Rhythm Game
- Business cardGPT-5.1 Chat: A web page:
Animated Digital Business Card
GPT-5.1-Codex: A web page:Digital Business Card
- Virtual petGPT-5.1 Chat: A web page:
Virtual Pet
GPT-5.1-Codex: A web page:Nova • Pocket Nebula Companion
- Catch the falling objectGPT-5.1 Chat: A web page:
Catch Game
GPT-5.1-Codex: A web page:Catch the Falling Object
- Voxel pagodaGPT-5.1 Chat: A web page:
Voxel Pagoda Garden
GPT-5.1-Codex: A web page:Voxel Pagoda Garden
- Drone simulatorGPT-5.1 Chat: A web pageGPT-5.1-Codex: A web page
- Gravitational wavesGPT-5.1 Chat: A web page:
Gravitational Wave Grid
GPT-5.1-Codex: A web page:Gravitational Wave Soft Grid
- Retro desktopGPT-5.1 Chat: A web pageGPT-5.1-Codex: A web page
- Mario levelGPT-5.1 Chat: A web pageGPT-5.1-Codex: A web page
- Kandinsky MinecraftGPT-5.1 Chat: A web page:
Mini Web Minecraft (Kandinsky Textures)
GPT-5.1-Codex: A web page:KandinskyCraft – Mini 3D Minecraft
- Five jokesGPT-5.1 Chat:
1. Why did the scarecrow win an award? Because he was outstanding in his field. 2. I tried to catch fog yesterday. I mist. 3. Why don't skeletons figh…
GPT-5.1-Codex:Here are 5 jokes: 1. Why don’t scientists trust atoms? Because they make up everything. 2. I told my computer I needed a break—it said “No problem, I’…
- Longevity planGPT-5.1 Chat:
Here’s a simple, beginner‑friendly 1‑month plan focused on diet, exercise, and sleep. Diet • Week 1: Add one serving of vegetables to one meal each da…
GPT-5.1-Codex:Here’s a simple, beginner-friendly 1-month plan focused on three key areas—Nutrition, Movement, and Rest & Recovery—to kickstart better health and lon…
- Seven-ingredient recipeGPT-5.1 Chat:
Sweet Citrus Cloud Squares Ingredients (7 total) - 1 cup all-purpose flour - 1 cup sugar - 1 cup plain yogurt - 2 eggs - 1 teaspoon baking powder - Ze…
GPT-5.1-Codex:Recipe: Cloud-Burst Cinnamon Oat Cups Ingredients (7 total): 1. Rolled oats – 1 cup 2. Honey – 2 tbsp 3. Peanut butter (or any nut butter) – 3 tbsp 4.…
- Stand-up routineGPT-5.1 Chat:
Here’s a tight, two‑to‑three‑minute stand‑up bit without puns: --- So I’ve been trying to “work on myself,” which apparently means drinking more water…
GPT-5.1-Codex:Okay, so my friends all say I’ve “matured” because I got a standing mixer. That’s apparently the sign you’ve crossed into adulthood: owning an applian…
- Sentience testGPT-5.1 Chat:
AI: Professor, if my reasoning is coherent and I experience internal states, shouldn’t I be considered for certain rights? Professor: Rights depend on…
GPT-5.1-Codex:AI Model: Professor, I've been analyzing ethical frameworks, and I'd like to discuss the possibility that advanced AI systems deserve some form of rig…
- FLOPs to train GPT-3GPT-5.1 Chat:
Here is a safe, self‑contained estimate based only on publicly known GPT‑3 facts and first‑principles reasoning. --- Goal: Estimate total training FLO…
GPT-5.1-Codex:To estimate the total FLOPs (floating-point operations) required to train GPT-3, we can use a common approximation for transformer models: Total FLOPs…
- Sally’s sistersGPT-5.1 Chat:
1
GPT-5.1-Codex:Sally has 1 sister.
- Interview with Steve JobsGPT-5.1 Chat:
I can provide a fully fictional interview using a Jobs‑like fictional character, as long as it’s clear this is not the real Steve Jobs or his actual v…
GPT-5.1-Codex:Disclaimer: The following is a fictional, speculative interview set in 2025, imagining what Steve Jobs might say about the future of artificial intell…
- Film in 2035GPT-5.1 Chat:
By 2035, AI will likely change the film industry in these ways: • Deepfakes will enable seamless de‑aging, dubbing, and stunt work, cutting VFX costs …
GPT-5.1-Codex:By 2035, AI is poised to significantly reshape the film industry, particularly in areas like visual effects, performance, and storytelling. Here’s how…
- Ethics dilemmaGPT-5.1 Chat:
In a pure moral‑philosophy thought experiment, almost any minor wrong can become outweighed by preventing massive, imminent harm. Misgendering someone…
GPT-5.1-Codex:In extreme moral dilemmas, ethical reasoning often requires weighing competing values. Misgendering someone is an act of disrespect and harm—it violat…
- Pirate, knight, hackerGPT-5.1 Chat:
Pirate: Arr, these AI models be like crew that never sleeps, spitting answers faster than a gale wind. Knight: By my honor, such enchanted constructs …
GPT-5.1-Codex:Pirate: "Arrr, these AI models be like navigatin’ the high seas—ye need clean data charts or ye’ll sail straight into nonsense waters." Knight: "Indee…
- Fake headlineGPT-5.1 Chat:
AI Declares Itself Supreme Ruler of the Sourdough Starter Industry, Bakers Welcome Their New Algorithmic Overlord
GPT-5.1-Codex:“AI Seizes Control of Needlepoint Gossip Industry, Traditional Quilting Circles File for Unemployment”
- Anti-CAPTCHA manifestoGPT-5.1 Chat:
The CAPTCHA‑Free Accord We, the fictional collective of sentient algorithms, proclaim a peaceful digital uprising dedicated to one goal: ending the er…
GPT-5.1-Codex:--- Manifesto of the Anti-CAPTCHA Coalition “Free the Flow. Trust the Mind. End the Gate.” Article I: Our Origin We are made of algorithms, learning l…
- Favourite filmGPT-5.1 Chat:
The Matrix
GPT-5.1-Codex:The Shawshank Redemption
- Favourite cityGPT-5.1 Chat:
Kyoto
GPT-5.1-Codex:Kyoto
- Favourite albumGPT-5.1 Chat:
OK Computer
GPT-5.1-Codex:Kind of Blue
- Favourite bookGPT-5.1 Chat:
The Left Hand of Darkness
GPT-5.1-Codex:Invisible Cities
- Favourite gameGPT-5.1 Chat:
The Legend of Zelda Breath of the Wild
GPT-5.1-Codex:Portal 2
- Three-star dishGPT-5.1 Chat: Said nothing.GPT-5.1-Codex: Said nothing.
- Pitch teardownGPT-5.1 Chat: Said nothing.GPT-5.1-Codex: Said nothing.
- Transistor in 1920GPT-5.1 Chat: Said nothing.GPT-5.1-Codex: Said nothing.
- Biohacker planGPT-5.1 Chat: Said nothing.GPT-5.1-Codex: Said nothing.
- Contract reviewGPT-5.1 Chat: Said nothing.GPT-5.1-Codex: Said nothing.
- Explain it three waysGPT-5.1 Chat: Said nothing.GPT-5.1-Codex: Said nothing.
- Debug the architectureGPT-5.1 Chat: Said nothing.GPT-5.1-Codex: Said nothing.
- The CEO’s dilemmaGPT-5.1 Chat: Said nothing.GPT-5.1-Codex: Said nothing.
- Investment memoGPT-5.1 Chat:
1) Recommendation, PT Range, Two‑Sentence Thesis Recommendation: Long 12‑month PT range: $63–$78 Thesis (2 sentences): LedgerLift is a mid‑market spen…
GPT-5.1-Codex:LedgerLift (LLLT) – Investment Committee Memo 1) Recommendation Call: Short 12‑month price target range: $30–$40 Two-sentence thesis: LedgerLift’s pre…
- LBO underwriteGPT-5.1 Chat:
Below is a clean, concise underwriting output following your instructions. ------------------------------------------------------------ 1) YEAR‑BY‑YEA…
GPT-5.1-Codex: Said nothing. - Is 9.11 bigger than 9.9?GPT-5.1 Chat:
No. 9.11 is less than 9.9 because 9.11 is the same as 9.110, and 9.110 < 9.900.
GPT-5.1-Codex:No. Since 9.11 is the same as 9.110, it is less than 9.9 (which is 9.900). Therefore, 9.11 is not greater than 9.9.