Get instant feedback while coding. Pyrefly processes 1.8M lines per second, adds smart imports, and supports Visual Studio Code and NeoVim.

Try Pyrefly Beta 0.42.0, now production-ready for IDE use with faster static analysis, auto import updates, and early Pydantic and Django support.

What is most striking about Python’s latest wave of third-party tooling is that they aren’t written in Python. Instead, many of the newer tools for project management, code formatting, and now type ...