Claude 3 Opus vs Quasar Alpha
Compare Claude 3 Opus by Anthropic against Quasar Alpha by OpenRouter, context windows of 200K vs 1.0M, tested across 3 shared challenges. Updated February 2026.
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Claude 3 OpusvsQuasar Alpha
3 challenges
Why Claude 3 Opus?
No standout advantages
Why Quasar Alpha?
5x more context1.0M
13 months newerApr 2025
3 / 3
SVG Layout Challengeimage generation
Tests an AI's ability to generate vector graphics
Quasar Alpha
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2 / 3
Xbox Controller SVG Artimage generation
Tests an AI's ability to create detailed SVG illustrations of gaming hardware
Claude 3 Opus
Quasar Alpha
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3 / 3
World Map SVGimage generation
Tests an AI's ability to create a detailed world map in SVG format
Claude 3 Opus
Quasar Alpha
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3 of 3