I had Claude and OpenAI Codex each write a chess engine from one prompt, then made them play 10 games. 10-0, all checkmates, and Codex lost the identical 24-move game five times

Reddit r/ArtificialInteligence News
ai-coding claude openai-codex chess-engine benchmark

Summary

A user had Claude and OpenAI Codex each write a chess engine from a single prompt, then made them play 10 games. Claude won all 10 by checkmate, and Codex repeatedly lost the identical 24-move game.

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