Claude Sonnet 4.5 vs Qwen: Qwen3 Max

Compare Claude Sonnet 4.5 by Anthropic against Qwen: Qwen3 Max by Qwen, in 4 community votes, claude sonnet 4.5 wins 75% of head-to-head duels, context windows of 200K vs 256K, tested across 43 shared challenges. Updated February 2026.

In 4 community votes, Claude Sonnet 4.5 wins 75% of head-to-head duels. Claude Sonnet 4.5 has the edge overall, but performance varies by task type. Based on blind community voting from the RIVAL open dataset of 4+ human preference judgments for this pair.

Reasoning: Claude Sonnet 4.5 and Qwen: Qwen3 Max are tied
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