Claude 3.7 Sonnet vs Claude Opus 4

Compare Claude 3.7 Sonnet and Claude Opus 4, both from Anthropic, in 15 community votes, claude 3.7 sonnet and claude opus 4 are closely matched, context windows of 200K vs 200K, tested across 21 shared challenges. Updated February 2026.

In 15 community votes, Claude 3.7 Sonnet and Claude Opus 4 are closely matched. Claude 3.7 Sonnet leads in Web Design, while Claude Opus 4 leads in Image Generation. Based on blind community voting from the RIVAL open dataset of 15+ human preference judgments for this pair.

Web Design: Claude 3.7 Sonnet wins 71% of votes
Image Generation: Claude Opus 4 wins 67% of votes
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