Polaris Alpha vs Claude Sonnet 4

Compare Polaris Alpha by OpenRouter against Claude Sonnet 4 by Anthropic, in 10 community votes, polaris alpha wins 78% of head-to-head duels, context windows of 256K vs 200K, tested across 20 shared challenges. Updated February 2026.

In 10 community votes, Polaris Alpha wins 78% of head-to-head duels. Polaris Alpha leads in Web Design, Image Generation. Based on blind community voting from the RIVAL open dataset of 10+ human preference judgments for this pair.