Simon Willison • 11/9/2025

Pelican on a Bike - Raytracer Edition

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The article details an experiment using multiple large language models (LLMs) to generate a POV-Ray file that renders a pelican on a bicycle. It compares the outputs, noting common parsing failures and oddities like floating eggs, and describes the iterative debugging process to fix the generated code from models like GPT-5 Codex Mini and Claude Sonnet.

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#llm #code generation #Gpt 5
Pelican on a Bike - Raytracer Edition

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