Claude 3.7 Sonnet vs Claude Sonnet 4

Compare Claude 3.7 Sonnet and Claude Sonnet 4, both from Anthropic, in 44 community votes, claude 3.7 sonnet and claude sonnet 4 are closely matched, context windows of 200K vs 200K, tested across 34 shared challenges. Updated April 2026.

Which is better, Claude 3.7 Sonnet or Claude Sonnet 4?

Claude 3.7 Sonnet and Claude Sonnet 4 are closely matched based on 44 community votes. Claude 3.7 Sonnet costs $3/M input tokens vs $3/M for Claude Sonnet 4. Context windows: 200K vs 200K tokens. Compare their real outputs side by side below.

Key Differences Between Claude 3.7 Sonnet and Claude Sonnet 4

Claude 3.7 Sonnet is made by anthropic while Claude Sonnet 4 is from anthropic. Claude 3.7 Sonnet has a 200K token context window compared to Claude Sonnet 4's 200K. On pricing, Claude 3.7 Sonnet costs $3/M input tokens vs $3/M for Claude Sonnet 4. In community voting, In 44 community votes, Claude 3.7 Sonnet and Claude Sonnet 4 are closely matched.

In 44 community votes, Claude 3.7 Sonnet and Claude Sonnet 4 are closely matched. Claude 3.7 Sonnet leads in Web Design, while Claude Sonnet 4 leads in Image Generation, Reasoning, Analysis. Based on blind community voting from the Rival open dataset of 44+ human preference judgments for this pair.

Web Design: Claude 3.7 Sonnet wins 88% of votes
Image Generation: Claude Sonnet 4 wins 89% of votes
Reasoning: Claude Sonnet 4 wins 67% of votes
Analysis: Claude Sonnet 4 wins 100% of votes
Our Verdict
Claude Sonnet 4
Claude Sonnet 4Winner
Claude 3.7 Sonnet
Claude 3.7 SonnetRunner-up

Votes are split, but Claude Sonnet 4 wins more categories. Slight edge to Claude Sonnet 4.

Pick Claude 3.7 Sonnet for Web Design. Pick Claude Sonnet 4 for Analysis, Image Generation, Reasoning.

Too close to call
Writing DNA

Style Comparison

Similarity
100%

Claude Sonnet 4 uses 87.9x more emoji

Claude 3.7 Sonnet
Claude Sonnet 4
62%Vocabulary62%
35wSentence Length111w
0.99Hedging0.40
1.2Bold5.0
4.3Lists9.3
0.00Emoji0.88
1.78Headings2.16
0.23Transitions0.33
Based on 13 + 17 text responses
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