Meta’s Rust-powered linter and type checker for Python pairs blazing speed with advanced and innovative features.

Contributed by J. Anthony Movshon; received March 9, 2022; accepted July 23, 2022; reviewed by Christos Papadimitriou and Qasim Zaidi This contribution is part of the special series of Inaugural ...

I asked Claude, ChatGPT, and Gemini to debug a Python error, and the difference was too noticeable to ignore.