Claude Opus 5 vs Kimi K3 Max

On LM Arena, Claude Opus 5 has 1494 Elo and Kimi K3 Max has 1487 Elo. Claude Opus 5 has the higher displayed score on this source. Each source stands on its own; these scores do not establish an overall winner.

Claude Opus 5: 1494 Elo on LM Arena (19,353 Arena votes) (snapshot Aug 12, 2026). Kimi K3 Max: 1487 Elo on LM Arena (11,706 Arena votes) (snapshot Aug 12, 2026). The snapshots may have been collected on different dates.