Claude Haiku 4.5 vs Claude Opus 4.1

Compare Claude Haiku 4.5 and Claude Opus 4.1, both from Anthropic, in 12 community votes, claude haiku 4.5 and claude opus 4.1 are closely matched, context windows of 200K vs 200K, tested across 27 shared challenges. Updated February 2026.

In 12 community votes, Claude Haiku 4.5 and Claude Opus 4.1 are closely matched. Claude Haiku 4.5 leads in Image Generation, while Claude Opus 4.1 leads in Web Design. Based on blind community voting from the RIVAL open dataset of 12+ human preference judgments for this pair.

Image Generation: Claude Haiku 4.5 wins 75% of votes
Web Design: Claude Opus 4.1 wins 67% of votes
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