Compare Grok 3 Mini Beta by xAI against Horizon Beta by OpenRouter, context windows of 131K vs 256K, tested across 8 shared challenges. Updated March 2026.
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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 ability to generate a complete, working landing page
Recreate an interactive, nostalgic Pokémon battle UI in a single HTML file.
Tests an AI's ability to replicate an existing UI with Tailwind CSS
Tests an AI's ability to create interactive web elements
Tests an AI's ability to create a detailed world map in SVG format
Create a detailed voxel art scene of a pagoda in a beautiful garden using ThreeJS
