Hexagon Ball Physics

A physics simulation benchmark comparing the coding capabilities of Claude 4.5 and GPT-5.

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Description

A technical evaluation thread featuring a realistic physics engine implemented in HTML and JavaScript. The project serves as a benchmark for frontier AI models, testing their ability to generate complex simulation code, handle prompt injections, and perform multi-hop reasoning through side-by-side video demos.

Descriptions, tags, and model credits may be AI-generated or inferred from public sources and can be incomplete or wrong. Learn more.

Details

Why this is interesting: Demonstrates the coding and reasoning capabilities of frontier models using a complex physics simulation as a benchmark.
Built with: Grok 4.5 Sonnet 5 GPT-5.5 Pro GPT Images 2.0 GPT Image 2 LTX 2.3 Pro 3.1 Pro Sonnet 4.6 Seedream 5.0 Pro Vidu Q3 Pro Seedance 1.5 Pro Seedream 4.5 Flux 2 Pro Nano Banana Pro Gemini 3 Pro ChatGPT 5.1 Thinking Sonnet 4.5 (20250929)GPT-5 Codex GPT-5 Gemini 2.5 Pro Claude 3.7 Claude 3.5
Tags: #physics #benchmark #javascript #simulation

Discovered: X
First posted: X · Oct 14, 2025
Listed: Added 10d ago
Build: Moderate
Models: Strong

Prompt

Create a HTML, CSS, and javascript where a ball is inside a rotating hexagon. The ball is affected by Earth’s gravity and friction from the hexagon walls. The bouncing must appear realistic.

Source