Claude Opus 4.5 vs Qwen3 Coder

Compare Claude Opus 4.5 by Anthropic against Qwen3 Coder by Qwen, in 19 community votes, claude opus 4.5 wins 88% of head-to-head duels, tested across 37 shared challenges. Updated February 2026.

In 19 community votes, Claude Opus 4.5 wins 88% of head-to-head duels. Claude Opus 4.5 leads in Web Design, Image Generation, Conversation. Based on blind community voting from the RIVAL open dataset of 19+ human preference judgments for this pair.

Web Design: Claude Opus 4.5 wins 89% of votes
Image Generation: Claude Opus 4.5 wins 100% of votes
Conversation: Claude Opus 4.5 wins 100% of votes
Reasoning: Claude Opus 4.5 and Qwen3 Coder are tied
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