User benchmarks Sonnet 5, Fable 5, GPT-5.5, Gemini on Three.js scene

A Reddit user compared four models—Claude Sonnet 5, Fable 5, GPT-5.5, and Gemini—by prompting each to generate a neon cyberpunk alley in Three.js from scratch in one shot. The same locked camera dolly was used, with code quality as the only variable. Results show varying rendering quality and code complexity.