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Pyrefly vs. Ty: Comparing Python's two new Rust-based type checkers
A deep dive into Meta's pyrefly and Astral's ty - two new Rust-based Python type checkers that both promise faster performance and better type inference.
Edward Li
I'm Edward Li, a Computer Science and Physics student at the [University of British Columbia](https://www.ubc.ca)! Previously, I worked at [Google](https://www.google.com)/[GCP](https://cloud.google.com) scaling OpenTelemetry within first-party teams, at [Codegen](https://codegen.com/) building software agents and…
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Visit blog.edward-li.com → RSS feedOn Hacker News Apr 2025 – May 2025
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Advanced Python Features
A collection of advanced Python features that I've found interesting, underrated, or unique - as someone who's seen a lot of Python code.