Codex Uncovers Subtle Correctness Bugs in SymPy

A UCLA PhD student used Codex with GPT-5.6 in an agentic bug-hunting workflow to uncover multiple correctness bugs in SymPy, including cases that looked normal but produced mathematically wrong results. The case suggests AI-assisted auditing can surface subtle failures even in mature, widely trusted open-source math infrastructure.

2026-07-14 ~ 2026-07-14 · 3 related posts

2 near-duplicate retellings: ErnestRyu · ErnestRyu