ChatGPT-4o (March 2025) vs Claude 3.7 Sonnet

Compare ChatGPT-4o (March 2025) by OpenAI against Claude 3.7 Sonnet by Anthropic, in 10 community votes, claude 3.7 sonnet wins 67% of head-to-head duels, context windows of 128K vs 200K, tested across 23 shared challenges. Updated February 2026.

In 10 community votes, Claude 3.7 Sonnet wins 67% of head-to-head duels. Claude 3.7 Sonnet leads in Image Generation, Web Design. Based on blind community voting from the RIVAL open dataset of 10+ human preference judgments for this pair.