Quasar Alpha vs Claude Opus 4
Compare Quasar Alpha by OpenRouter against Claude Opus 4 by Anthropic, context windows of 1.0M vs 200K, tested across 5 shared challenges. Updated February 2026.
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Quasar AlphavsClaude Opus 4
5 challenges
Why Quasar Alpha?
5x more context1.0M
Why Claude Opus 4?
2 months newerMay 2025
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Quasar AlphaClaude Opus 4
5 / 5
SVG Layout Challengeimage generation
Tests an AI's ability to generate vector graphics
Claude Opus 4
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2 / 5
Xbox Controller SVG Artimage generation
Tests an AI's ability to create detailed SVG illustrations of gaming hardware
Quasar Alpha
Claude Opus 4
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3 / 5
Linear App Cloneweb design
Tests an AI's ability to replicate an existing UI with Tailwind CSS
Quasar Alpha
Claude Opus 4
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4 / 5
Interactive Catan Boardweb design
Tests an AI's ability to create interactive web elements
Quasar Alpha
Claude Opus 4
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5 / 5
World Map SVGimage generation
Tests an AI's ability to create a detailed world map in SVG format
Quasar Alpha
Claude Opus 4
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5 of 5