Claude Opus 4.1 vs Qwen3 Coder Plus

Compare Claude Opus 4.1 by Anthropic against Qwen3 Coder Plus by Qwen, in 5 community votes, qwen3 coder plus wins 67% of head-to-head duels, context windows of 200K vs 128K, tested across 25 shared challenges. Updated February 2026.

In 5 community votes, Qwen3 Coder Plus wins 67% of head-to-head duels. Qwen3 Coder Plus has the edge overall, but performance varies by task type. Based on blind community voting from the RIVAL open dataset of 5+ human preference judgments for this pair.

Web Design: Claude Opus 4.1 and Qwen3 Coder Plus are tied
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