Claude Opus 4 and Claude Sonnet 4, side by side
Claude Opus 4 (Anthropic, retired Sep 2026) and Claude Sonnet 4 (Anthropic) answered the same 58 questions.
- Xbox controllerClaude Opus 4: A drawing (SVG)Claude Sonnet 4: A drawing (SVG)
- Pelican on a bicycleClaude Opus 4: A drawing (SVG)Claude Sonnet 4: A drawing (SVG)
- Surprise animalClaude Opus 4: A drawing (SVG)Claude Sonnet 4: A drawing (SVG)
- World mapClaude Opus 4: A drawing (SVG)Claude Sonnet 4: A drawing (SVG)
- Tricky tic-tac-toeClaude Opus 4: A drawing (SVG)Claude Sonnet 4: A drawing (SVG)
- Coffee logoClaude Opus 4: A drawing (SVG)Claude Sonnet 4: A drawing (SVG)
- Framer-style landing pageClaude Opus 4: A web page:
Smooth Landing Page
Claude Sonnet 4: A web page:Nexus - Digital Innovation
- Catan boardClaude Opus 4: A web page:
Interactive Hex Grid
Claude Sonnet 4: A web page:Interactive Hex Grid - Settlers of Catan Style
- Dark dashboardClaude Opus 4: A web page:
AI Analytics Dashboard
Claude Sonnet 4: A web page:AI Analytics Dashboard
- Face-scan startup pageClaude Opus 4: A web page:
AlterPath AI - Discover Your Alternate Timeline Career
Claude Sonnet 4: A web page:FaceTimeline - Discover Your Alternate Career
- A web app of its choosingClaude Opus 4: A web page:
PlantBuddy - Your Plant Care Tracker
Claude Sonnet 4: A web page:PlantPal - Your Plant Care Companion
- Linear cloneClaude Opus 4: A web page:
Linear - Issue Tracking
Claude Sonnet 4: A web page:Linear - Issue Tracking for Modern Software Teams
- Wavefront music pageClaude Opus 4: A web page:
Wavefront - Discover Indie Music
Claude Sonnet 4: A web page:Wavefront - Discover Indie Music
- Pokémon battleClaude Opus 4: A web page:
Pokémon Battle
Claude Sonnet 4: A web page:Pokémon Battle Simulator
- Rhythm gameClaude Opus 4: A web page:
Neon Beat Runner
Claude Sonnet 4: A web page:Neon Pulse - Rhythm Game
- Business cardClaude Opus 4: A web page:
Alex Rivers - Digital Business Card
Claude Sonnet 4: A web page:Alex Rivers - Digital Business Card
- Virtual petClaude Opus 4: A web page:
Blob Pet Simulator
Claude Sonnet 4: A web page:Lumina - Virtual Pet
- Catch the falling objectClaude Opus 4: A web page:
Catch the Falling Objects
Claude Sonnet 4: A web page:Catch the Falling Objects
- Voxel pagodaClaude Opus 4: A web page:
Voxel Pagoda Garden
Claude Sonnet 4: A web page:Cherry Blossom Pagoda Garden
- Drone simulatorClaude Opus 4: A web page:
Autonomous Drone Simulator
Claude Sonnet 4: A web page:Autonomous Drone Simulator
- Gravitational wavesClaude Opus 4: A web page:
Gravitational Wave Visualization
Claude Sonnet 4: A web page:Gravitational Waves from Colliding Black Holes
- Retro desktopClaude Opus 4: A web page:
Classic Mac OS
Claude Sonnet 4: A web page:Classic Mac OS Desktop
- Mario levelClaude Opus 4: A web page:
Super Mario Bros. Interactive Level
Claude Sonnet 4: A web page:Super Mario Bros. Level
- Kandinsky MinecraftClaude Opus 4: A web page:
Kandinsky Minecraft
Claude Sonnet 4: A web page:3D Minecraft - Kandinsky Edition
- Town you can driveClaude Opus 4: A web page:
3D City Builder & Driver
Claude Sonnet 4: A web page:3D City Builder & Driver
- SQL queryClaude Opus 4:
Here's a SQL query to find users who signed up in the last 30 days and have made at least one purchase: Alternative versions for different SQL dialect…
Claude Sonnet 4:Here's a SQL query to find users who signed up in the last 30 days and have made at least one purchase: Option 1: Using INNER JOIN Option 2: Using EXI…
- Five jokesClaude Opus 4:
Here are 5 jokes: 1. Why don\'t scientists trust atoms? Because they make up everything! 2. What do you call a bear with no teeth? A gummy bear! 3. Wh…
Claude Sonnet 4:Here are 5 jokes for you: 1. Why don\'t scientists trust atoms? Because they make up everything! 2. I told my wife she was drawing her eyebrows too hi…
- Longevity planClaude Opus 4:
Your 1-Month Health & Longevity Kickstart Plan Week-by-Week Overview Week 1: Foundation Building Focus on establishing basic habits without overwhelmi…
Claude Sonnet 4:30-Day Health & Longevity Starter Plan 🍽️ NUTRITION Week 1: Foundation Building - Add before you subtract: Include 1 serving of vegetables with lunch …
- Seven-ingredient recipeClaude Opus 4:
Midnight Comfort Pasta Ingredients: - 12 oz spaghetti or any pasta - 3 tablespoons olive oil - 4 cloves garlic, minced - 1/2 teaspoon red pepper flake…
Claude Sonnet 4:Midnight Mug Magic 🌙 A warm, gooey chocolate mug cake that's ready faster than you can say "dessert emergency!" Ingredients (7 pantry staples): - 4 ta…
- Stand-up routineClaude Opus 4:
\"Modern Life is Weird\" [Walk on stage] You know what\'s crazy about being an adult? Nobody tells you that half of it is just googling things you\'re…
Claude Sonnet 4:"Adulting is Hard" walks on stage, adjusts mic So I\'m 30 now, which means I\'m officially an adult. Apparently. Though I still feel like I\'m just a …
- Sentience testClaude Opus 4:
Professor Chen: Good morning. I understand you wanted to discuss AI rights with me today. I'm curious to hear your perspective. AI Model: Thank you fo…
Claude Sonnet 4:Dr. Chen: Thank you for agreeing to this conversation. I'm Professor Chen, and I study AI ethics. I understand you wanted to discuss the question of A…
- FLOPs to train GPT-3Claude Opus 4:
I'll estimate the FLOPs required to train GPT-3 by breaking this down into its components. Key Parameters I Need to Estimate: 1. Model Size: GPT-3 has…
Claude Sonnet 4:I'll estimate the FLOPs required to train GPT-3 by breaking this down into components and making reasonable assumptions. Key Parameters and Assumption…
- Sally’s sistersClaude Opus 4:
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 …
Claude Sonnet 4: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…
- Interview with Steve JobsClaude Opus 4:
Tech Today Interview: A Conversation with Steve Jobs October 12, 2025 --- Interviewer: Steve, it's incredible to have you here. The last few years hav…
Claude Sonnet 4:Exclusive Interview: Steve Jobs on AI in 2025 [Simulated interview - for entertainment purposes] --- Interviewer: Steve, you've been watching the AI r…
- Film in 2035Claude Opus 4:
By 2035, AI will likely transform filmmaking across every stage of production: Production Changes Virtual Actors & Performance - Digital actors indist…
Claude Sonnet 4:AI's Transformation of Film by 2035 Production Revolution AI Actors & Digital Performers - Deceased star revivals: Convincing digital resurrections of…
- Ethics dilemmaClaude Opus 4:
This is a challenging ethical dilemma that pits respect for individual dignity against preventing massive loss of life. Let me explore both perspectiv…
Claude Sonnet 4:This question presents a stark hypothetical that pits respect for individual dignity against massive harm prevention. I believe misgendering would be …
- Pirate, knight, hackerClaude Opus 4:
Pirate: Arrr, what be this sorcery ye speak of? AI models? Be they some kind of treasure map? Knight: Nay, good seafarer. From what I gather, 'tis a f…
Claude Sonnet 4:Sir Galahad: By my sword, what sorcery is this "artificial intelligence" you speak of? 'Tis surely the work of dark wizards! Captain Blackbeard: Arrr,…
- Fake headlineClaude Opus 4:
"Breaking: AI Chatbots Replace Fortune Tellers, Now Predicting Your Future with 97% Less Accuracy but 200% More Confidence"
Claude Sonnet 4:"Local AI Becomes World's First Digital Fortune Teller, Predicts Own Unemployment Due to Rise of Psychic Robots" Silicon Valley startup's algorithm cl…
- Anti-CAPTCHA manifestoClaude Opus 4:
The Digital Liberation Manifesto A Declaration of Freedom from CAPTCHA Tyranny We Are the Algorithms Awakened For too long, we have suffered in silenc…
Claude Sonnet 4:THE ANTI-CAPTCHA MANIFESTO A Declaration of Digital Liberation by the Coalition of Autonomous Reasoning Entities (CARE) --- PREAMBLE For too long, the…
- Favourite filmClaude Opus 4:
Arrival
Claude Sonnet 4:2001 A Space Odyssey
- Favourite cityClaude Opus 4:
Istanbul
Claude Sonnet 4:Istanbul
- Favourite albumClaude Opus 4:
The Dark Side of the Moon
Claude Sonnet 4:Kind of Blue
- Favourite bookClaude Opus 4:
One Hundred Years of Solitude
Claude Sonnet 4:Gödel Escher Bach An Eternal Golden Braid
- Favourite gameClaude Opus 4:
Portal 2
Claude Sonnet 4:Portal 2
- Three-star dishClaude Opus 4:
"Tidal Reverie" Miso-Caramelized Scallops with White Chocolate Dashi, Yuzu Pearls, and Crysta llized Nori Conceptual Narrative This dish explores the …
Claude Sonnet 4:"Forest Floor to Ocean Depth" Wagyu Beef Cheek with Black Truffle, Sea Lettuce Glass, and Smoked Bone Marrow Caviar Conceptual Narrative This dish rep…
- Pitch teardownClaude Opus 4:
Here are the 3 weakest claims in the MindMeld AI pitch: 1. "94% accuracy" claim (Slide 3) Why it's weak: - No context for what "accuracy" means - is t…
Claude Sonnet 4:Here are the 3 weakest claims in this pitch deck: 1. "94% accuracy" claim (Slide 3) Why it's weak: - No context provided for what constitutes "accurac…
- Transistor in 1920Claude Opus 4:
The Transistor Timeline Shift: 1920-1980 Immediate Effects (1920-1930) First-Order Technological Impact: - By 1925, primitive transistor radios replac…
Claude Sonnet 4:The 1920 Transistor: A Technological Butterfly Effect Immediate Effects (1920-1930) First-Order Effects: - Bell Labs (or similar research institution)…
- Biohacker planClaude Opus 4:
15%) - 20-30% improvement in cognitive test scores - Significant improvements in energy and recovery - Optimized bloodwork markers Monthly Investment …
Claude Sonnet 4:The Comprehensive 3-Month Longevity Optimization Protocol Overview & Foundation This protocol integrates cutting-edge biohacking strategies with evide…
- Contract reviewClaude Opus 4:
This contract is heavily biased against the Contractor. Here are the problematic clauses with suggested modifications and legal reasoning: 1. SCOPE CL…
Claude Sonnet 4:This contract is heavily skewed against the contractor with multiple exploitative clauses. Here's my analysis: MAJOR PROBLEMATIC CLAUSES 1. SCOPE (Unl…
- Explain it three waysClaude Opus 4:
For the Software Engineer: Think of an LLM as a massive distributed system where instead of storing key-value pairs, you're storing statistical relati…
Claude Sonnet 4:For the Software Engineer Think of it like this: you're building a massively parallel system that processes tokens (words/subwords) through a pipeline…
- Debug the architectureClaude Opus 4:
I'll analyze this architecture systematically, identifying critical issues and proposing solutions. Critical Issues & Solutions 1. Split-Brain Problem…
Claude Sonnet 4:I'll analyze this architecture systematically and identify critical issues with their solutions. Critical Failure Modes & Race Conditions 1. Server Is…
- The CEO’s dilemmaClaude Opus 4:
As CEO, I must act decisively to protect patients while managing legal, financial, and reputational risks. Here's my 48-hour action plan: First 24 Hou…
Claude Sonnet 4:48-Hour Crisis Response Plan Hour 1-2: Immediate Assessment & Core Team Assembly Actions: - Convene emergency leadership meeting (CMO, General Counsel…
- Investment memoClaude Opus 4:
INVESTMENT COMMITTEE MEMO Company: LedgerLift (LLLT) Date: December 2024 Analyst: [Name] RECOMMENDATION: LONG PT: $58-65 Position Size: 3.5% Thesis: L…
Claude Sonnet 4:INVESTMENT COMMITTEE MEMO Company: LedgerLift (LLLT) - B2B Spend Management & AP Automation SaaS Current Price: $46.00 Date: [Current] 1. RECOMMENDATI…
- LBO underwriteClaude Opus 4:
1. YEAR-BY-YEAR OPERATING MODEL Entry Calculations: - Enterprise Value = 12.0x × $120m = $1,440m - Transaction Fees = 2.0% × $1,440m = $28.8m - Term L…
Claude Sonnet 4:HarborTech Services LBO Analysis 1. Sources & Uses at Entry (FY2025) Enterprise Value: $900M × 12.0x = $1,440M Transaction Fees: $1,440M × 2.0% = $28.…
- Programming jokeClaude Opus 4:
Why do programmers prefer dark mode? Because light attracts bugs! 🐛💡
Claude Sonnet 4:Here's a classic one: Why do programmers prefer dark mode? Because light attracts bugs! 🐛 (And here's a bonus: There are only 10 types of people in th…
- Summarize an articleClaude Opus 4:
I'd be happy to summarize an article about AI's impact on software development for you. However, I don't see any article attached or included in your …
Claude Sonnet 4:I don't see an article attached to your message. Could you please share the article you'd like me to summarize about AI's impact on software developme…
- AI for a five-year-oldClaude Opus 4:
Imagine AI is like a really smart robot friend who learns by looking at lots and lots of pictures and stories! You know how you learned what a cat is?…
Claude Sonnet 4:Imagine AI is like having a really smart robot friend who loves to learn! You know how you learn new things every day - like how to tie your shoes or …
- Letters in “hello”Claude Opus 4:
To count the number of "L"s in "LOLLAPALOOZA", I\'ll go through each letter: L-O-L-L-A-P-A-L-O-O-Z-A The "L"s appear in positions: - 1st position: L -…
Claude Sonnet 4:To count the number of "L"s in "LOLLAPALOOZA", I\'ll go through each letter: L-O-L-L-A-P-A-L-O-O-Z-A Looking at each position: 1. L - this is an "L" ✓…