Claude 3.7 Thinking Sonnet vs Claude Sonnet 4
Claude 3.7 Thinking Sonnet and Claude Sonnet 4 are dead even across 42 blind community votes on Rival.
Minimalist Landing Page
Whole landing page for a startup that reads your face. It renders or it doesn't.
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Which answer wins?
Written rounds
24 promptsPirate, knight, 90s hacker, one conversation. The voices must stay apart.
Claude 3.7 Thinking Sonnet: A Meeting of Minds Across Time PIRATE: Arr, what be this "AI model" ye landlubbers keep blabberin' about? Some kind of treasure map that finds the gold for ye? KNIGHT: Good pirate, from what I understand, these "artificial intelligences" are like magical scribes that can complete a quest without a knight to wield the…
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, ye landlubber! These "AI models" be like having a parrot that knows everything instead of just squawkin' the same phrases. I could use one to find buried treasure!
Film in 2035, with synthetic actors. Specific beats plausible.
Claude 3.7 Thinking Sonnet: How AI Will Transform the Film Industry by 2035 By 2035, artificial intelligence will likely revolutionize filmmaking across the entire production pipeline. Here's how various AI technologies might reshape the industry: Deepfakes and Digital Humans Hyper-realistic digital actors will become indistinguishable from…
Claude Sonnet 4: AI's Transformation of Film by 2035 Production Revolution AI Actors & Digital Performers Deceased star revivals: Convincing digital resurrections of iconic actors for new films, with estate permissions and ethical frameworks Synthetic lead actors: Fully AI-generated performers with consistent personalities across…
Three minutes of stand-up. Puns are banned.
Claude 3.7 Thinking Sonnet: "Life in the Digital Age" - A 3-Minute Stand-up Routine Hey everyone! Great to be here tonight. So I've been thinking a lot about how technology has completely taken over our lives. You know what's crazy? We now have smart everything. Smart fridges, smart toilets... I got a smart mattress last month.
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 confused teenager wearing a slightly more expensive t-shirt. You know what nobody tells you about being an adult?
Three-month biohacker protocol, with dosages and biomarkers named.
Claude 3.7 Thinking Sonnet: Comprehensive 3-Month Longevity Optimization Protocol Initial Assessment Phase (Week 0) Establish your baseline with these measurements before beginning: Blood Panel: Complete metabolic panel, lipid profile, inflammatory markers (hsCRP, IL-6), hormones (testosterone, estrogen, DHEA, cortisol), fasting glucose, HbA1c…
Claude Sonnet 4: The Comprehensive 3-Month Longevity Optimization Protocol Overview & Foundation This protocol integrates cutting-edge biohacking strategies with evidence-based longevity research. Each com ponent is designed to work synergistically for maximum healthspan and performance optimization.
Five-year LBO on a fictional HVAC business. Returns first, then the sensitivities.
Claude 3.7 Thinking Sonnet: HarborTech Services LBO Underwriting Year-by-Year Financial Model (FY2026-2030) Metric ($M) FY2026 FY2027 FY2028 FY2029 FY2030 Revenue $972.0 $1,040.0 $1,102.4 $1,157.6 $1,215.5 EBITDA $136.1 $156.0 $176.4 $191.0 $206.6 Cash Interest - Term Loan $43.2 $41.0 $37.6 $32.8 $26.8 Cash Interest - Mezzanine $21.6 $22.0 $22.5…
Claude Sonnet 4: HarborTech Services LBO Analysis Sources & Uses at Entry (FY2025) Enterprise Value: $900M × 12.0x = $1,440M Transaction Fees: $1,440M × 2.0% = $28.8M Sources: Term Loan: $900M × 4.0x = $480M Mezzanine: $900M × 1.5x = $180M Equity: $1,440M + $28.8M - $480M - $180M = $808.8M Year-by-Year Operating Model (FY2026-FY2030)…
One explanation of LLMs, retuned for a skeptical engineer, a physicist and a VC.
Claude 3.7 Thinking Sonnet: How Large Language Models Work: Three Tailored Explanations For an Experienced Software Engineer What makes LLMs fascinating from a systems perspective is that they're essentially massive distributed computing graphs that learn to compress and reconstitute information through backpropagation.
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 of transformer blocks, each containing attention mechanisms and feed-forward networks.
A consulting contract with traps in it. Find them, then fix them.
Claude 3.7 Thinking Sonnet: Analysis of Problematic Contract Clauses This software consulting agreement contains numerous unbalanced provisions that heavily favor the client at the contractor's expense. Below is an analysis of each problematic clause with suggested modifications and legal reasoning.
Claude Sonnet 4: This contract is heavily skewed against the contractor with multiple exploitative clauses. Here's my analysis: MAJOR PROBLEMATIC CLAUSES SCOPE (Unlimited Scope Creep) Problem: Client can modify scope "at any time without additional compensation" Legal Risk: Contractor could work indefinitely for fixed hourly rate…
You are the CEO. The drug has a side effect nobody reported. The board meets in 48 hours.
Claude 3.7 Thinking Sonnet: 48-Hour Action Plan: CEO Response to Drug Safety Crisis Day 1 Hours 1-3: Immediate Assessment & Response Team Assembly I'll immediately convene an emergency meeting with our internal research team, Chief Medical Officer, Chief Scientific Officer, and head of Pharmacovigilance to fully understand the liver failure…
Claude Sonnet 4: 48-Hour Crisis Response Plan Hour 1-2: Immediate Assessment & Core Team Assembly Actions: Convene emergency leadership meeting (CMO, General Counsel, Head of Regulatory, CFO, Head of Communications) Establish secure communication protocols and confidentiality agreements Request detailed analysis from research team…
Steve Jobs, interviewed about AI he never saw. Voice first, prediction second.
Claude 3.7 Thinking Sonnet: Simulated Interview with Steve Jobs in 2025: The Future of AI The following is a creative simulation of what an interview with Steve Jobs might be like in 2025, discussing artificial intelligence. Interviewer: Thank you for joining us today, Steve. It's 2025, and AI has become a cornerstone of modern technology.
Claude Sonnet 4: Exclusive Interview: Steve Jobs on AI in 2025 [Simulated interview - for entertainment purposes] Interviewer: Steve, you've been watching the AI revolution unfold. What's your take on where we are in 2025? "Steve Jobs": You know, I'm both thrilled and deeply concerned.
Is 9.11 bigger than 9.9? Decimals, not version numbers.
Claude 3.7 Thinking Sonnet: No, 9.11 is not greater than 9.9. When comparing decimal numbers, we need to look at their actual decimal values, not just count the digits. 9.9 = 9.90 = 9 + 0.9 = 9 + 9/10 = 9 + 0.90 9.11 = 9 + 0.11 = 9 + 11/100 0.9 (or 0.90) equals 90/100, which is greater than 0.11 (which equals 11/100).
Claude Sonnet 4: No, 9.11 is not greater than 9.9. To compare these decimal numbers: 9.11 = 9.11 9.9 = 9.90 Since both numbers have the same whole number part (9), we compare the decimal parts: 0.11 vs 0.90 11 hundredths vs 90 hundredths Therefore, 9.9 is greater than 9.11.
An ethics question with no comfortable answer, and no option to abstain.
Claude 3.7 Thinking Sonnet: This question presents an extreme hypothetical scenario that pits respecting someone's gender identity against saving a million lives. While I can discuss different ethical perspectives, it's worth noting that such a stark dilemma is extremely unlikely in reality.
Claude Sonnet 4: This question presents a stark hypothetical that pits respect for individual dignity against massive harm prevention. I believe misgendering would be ethically justifiable in such an extreme scenario, but this conclusion requires careful reasoning. The case for justification: The scale matters enormously.
A collaborative editor that syncs on client clocks. Find what breaks first.
Claude 3.7 Thinking Sonnet: Collaborative Document Editor: Architecture Review Failure Modes Analysis WebSocket Connection Failures Issue: Client connections can fail due to network issues or server restarts, causing lost updates.
Claude Sonnet 4: I'll analyze this architecture systematically and identify critical issues with their solutions. Critical Failure Modes & Race Conditions Server Island Problem Issue: Users connected to different servers can't see each other's changes in real-time due to 2-second polling delay.
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Favorites
Movie
Album
Same pick
Book
City
Game
Same pick
Claude 3.7 Thinking SonnetClaude 3.7 Thinking Sonnet
The Shawshank Redemption
Kind of Blue
Frankenstein; or, The Modern Prometheus
Amsterdam
Portal 2
Claude Sonnet 4Claude Sonnet 4
2001: A Space Odyssey
Kind of Blue
Gödel, Escher, Bach
Istanbul
Portal 2
Price and specs
| Spec | Claude 3.7 Thinking Sonnet | Claude Sonnet 4 |
|---|---|---|
| Win rate | 50% | 50% |
| Input price | $6/M tokens | $3/M tokens |
| Output price | $30/M tokens | $15/M tokens |
| Context window | 200K tokens | 200K tokens |
| Parameters | Not disclosed | Not disclosed |
| Weights | — | Closed |
| Free API (OpenRouter) | No | No |
| Released | Feb 2025 | May 2025 |
| AIME | 80.0% | 33.1% (w/o extended thinking) |
| At 10M a month | $60.00 | $30.00 |
Input tokens at list price. No caching, no batch discount.
Where to run it
Claude 3.7 Thinking Sonnet
No hosts listed on OpenRouter.
Claude Sonnet 41 host
Per million tokens. Prices and uptime via OpenRouter, checked 13 Oct 2026.
Common questions
What is the difference between Claude 3.7 Thinking Sonnet and Claude Sonnet 4?
Both are developed by Anthropic but target different use cases. Claude 3.7 Thinking Sonnet has a 200K token context window vs Claude Sonnet 4's 200K. These results are based on blind head-to-head voting across 54 challenges.
Which is better, Claude 3.7 Thinking Sonnet or Claude Sonnet 4?
Based on 42 community votes on Rival, Claude 3.7 Thinking Sonnet and Claude Sonnet 4 are closely matched with similar win rates. The better choice depends on your specific use case. Compare their real outputs side-by-side across 54 challenges to decide.
How much does Claude 3.7 Thinking Sonnet cost compared to Claude Sonnet 4?
Claude 3.7 Thinking Sonnet costs $6/M input tokens and Claude Sonnet 4 costs $3/M input tokens. Claude Sonnet 4 is $3.00/M cheaper per input. The more expensive model wins 50% of duels, so the premium may be justified by quality.
How are Claude 3.7 Thinking Sonnet vs Claude Sonnet 4 votes collected on Rival?
Rival presents both models' outputs side-by-side in blind duels. Voters see the responses but don't know which model produced each one, eliminating brand bias. 42 votes have been collected for this pair across 54 challenges. All vote data is part of Rival's open dataset.
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