Claude Haiku 4.5 vs Qwen3 Coder

Compare Claude Haiku 4.5 by Anthropic against Qwen3 Coder by Qwen, in 3 community votes, claude haiku 4.5 wins 67% of head-to-head duels, tested across 37 shared challenges. Updated February 2026.

In 3 community votes, Claude Haiku 4.5 wins 67% of head-to-head duels. Claude Haiku 4.5 has the edge overall, but performance varies by task type. Based on blind community voting from the RIVAL open dataset of 3+ human preference judgments for this pair.