Kimi K2 vs Claude Opus 4

Compare Kimi K2 by Moonshot AI against Claude Opus 4 by Anthropic, in 15 community votes, claude opus 4 wins 77% of head-to-head duels, tested across 25 shared challenges. Updated February 2026.

In 15 community votes, Claude Opus 4 wins 77% of head-to-head duels. Claude Opus 4 leads in Web Design, Image Generation. Based on blind community voting from the RIVAL open dataset of 15+ human preference judgments for this pair.