Simulation Showdown: GPT-5.6 vs Grok
entelligenceai17 · reddit · 2026-07-10
The post tests GPT-5.6 SOL and Grok 4.5 Pro using the same browser physics simulation prompt. The task requires building a glass bridge physics simulation in a single HTML file, including weight distribution, crack propagation, glass shattering, particle effects, and a full UI, without relying on external libraries.
The author notes a clear difference between the two in reasoning, implementation, and visual polish, providing side-by-side results for comparison.
Related event: HTML5 Physics Simulation Tests Show GPT-5.6 Pricier but Not Superior(5 posts)→
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