DeepSeek V3.1 vs Claude Opus 4.1

Compare DeepSeek V3.1 by DeepSeek against Claude Opus 4.1 by Anthropic, in 18 community votes, claude opus 4.1 wins 81% of head-to-head duels, context windows of 164K vs 200K, tested across 25 shared challenges. Updated February 2026.

In 18 community votes, Claude Opus 4.1 wins 81% of head-to-head duels. Claude Opus 4.1 leads in Web Design, Image Generation, Analysis. Based on blind community voting from the RIVAL open dataset of 18+ human preference judgments for this pair.

Web Design: Claude Opus 4.1 wins 83% of votes
Image Generation: Claude Opus 4.1 wins 60% of votes
Analysis: Claude Opus 4.1 wins 100% of votes
Conversation: Claude Opus 4.1 wins 100% of votes
FAQ