Claude Opus 4.1 vs Quasar Alpha
Compare Claude Opus 4.1 by Anthropic against Quasar Alpha by OpenRouter, context windows of 200K vs 1.0M, tested across 2 shared challenges. Updated February 2026.
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Claude Opus 4.1vsQuasar Alpha
2 challenges
Why Claude Opus 4.1?
4 months newerAug 2025
Why Quasar Alpha?
5x more context1.0M
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Claude Opus 4.1Quasar Alpha
2 / 2
Xbox Controller SVG Artimage generation
Tests an AI's ability to create detailed SVG illustrations of gaming hardware
Quasar Alpha
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2 / 2
Minimalist Landing Pageweb design
Tests an AI's ability to generate a complete, working landing page
Claude Opus 4.1
Quasar Alpha
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2 of 2