Qwen3 Coder Plus vs Claude Opus 4.1

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