Claude 3.7 Thinking Sonnet vs Claude Opus 4.7
Compare Claude 3.7 Thinking Sonnet and Claude Opus 4.7, both from Anthropic, context windows of 200K vs 1.0M, tested across 53 shared challenges. Updated April 2026.
Which is better, Claude 3.7 Thinking Sonnet or Claude Opus 4.7?
Claude 3.7 Thinking Sonnet and Claude Opus 4.7 are both competitive models. Claude 3.7 Thinking Sonnet costs $6/M input tokens vs $5/M for Claude Opus 4.7. Context windows: 200K vs 1000K tokens. Compare their real outputs side by side below.
Key Differences Between Claude 3.7 Thinking Sonnet and Claude Opus 4.7
Claude 3.7 Thinking Sonnet is made by anthropic while Claude Opus 4.7 is from anthropic. Claude 3.7 Thinking Sonnet has a 200K token context window compared to Claude Opus 4.7's 1000K. On pricing, Claude 3.7 Thinking Sonnet costs $6/M input tokens vs $5/M for Claude Opus 4.7.
No community votes yet. On paper, Claude Opus 4.7 has the edge — bigger model tier, newer, bigger context window.
Style Comparison
Claude Opus 4.7 uses 86.2x more emoji
vsAsk them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
