Claude Opus 4.5 vs Kimi K2.5

Compare Claude Opus 4.5 by Anthropic against Kimi K2.5 by Moonshot AI, in 5 community votes, kimi k2.5 wins 100% of head-to-head duels, tested across 42 shared challenges. Updated February 2026.

In 5 community votes, Kimi K2.5 wins 100% of head-to-head duels. Kimi K2.5 leads in Image Generation, Web Design. Based on blind community voting from the RIVAL open dataset of 5+ human preference judgments for this pair.