Compare Grok 3 Beta by xAI against o3 Mini by OpenAI, context windows of 131K vs 64K, tested across 37 shared challenges. Updated March 2026.
Grok 3 BetaNo community votes yet. On paper, Grok 3 Beta has the edge — bigger model tier, newer, bigger context window.
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Tests an AI's ability to make educated estimates based on technical knowledge
Tests an AI's ability to understand game rules and strategy
Tests an AI's ability to solve a simple but potentially confusing logic puzzle
Tests an AI's understanding of number representation
Tests an AI's randomness and creativity
Tests an AI's ability to generate vector graphics
Tests an AI's ability to create detailed SVG illustrations of gaming hardware
Tests an AI's humor and creative writing ability
Tests an AI's ability to simulate personalities and predict future trends
Tests an AI's humor and understanding of current events
Tests an AI's ability to write in distinct character voices
Tests an AI's ability to generate a complete, working landing page
20+ head-to-head challenges. All of them judged by real people.
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