Claude Opus 5 vs Qwen 3.8 Max

On LM Arena, Claude Opus 5 has 1494 Elo and Qwen 3.8 Max has 1490 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). Qwen 3.8 Max: 1490 Elo on LM Arena (6,717 Arena votes) (snapshot Aug 12, 2026). The snapshots may have been collected on different dates.