Sonoma Sky Alpha vs Claude Opus 4.1

Compare Sonoma Sky Alpha by OpenRouter against Claude Opus 4.1 by Anthropic, in 10 community votes, claude opus 4.1 wins 88% of head-to-head duels, context windows of 2.0M vs 200K, tested across 14 shared challenges. Updated March 2026.

In 10 community votes, Claude Opus 4.1 wins 88% of head-to-head duels. Claude Opus 4.1 leads in Web Design. Based on blind community voting from the Rival open dataset of 10+ human preference judgments for this pair.

Web Design: Claude Opus 4.1 wins 100% of votes
Image Generation: Sonoma Sky Alpha and Claude Opus 4.1 are tied
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