compare

basedpyright vs Pyrefly

The same facts for both, read from GitHub every night, and the relation a person reviewed.

basedpyright vs Pyrefly
Fact	basedpyright	Pyrefly
Language	TypeScript	Rust
Licence	Other	MIT
Stars	3.6k	7k
Latest	v1.40.2	1.3.2
Last push	2026-10-04	2026-10-06
Release cadence	about 24 days between releases	too few releases
Active contributors	19 commit authors on the default branch in the last 90 days	39+ commit authors on the default branch in the last 90 days
Flags	none	none

How they relate

Both replace Pyright. Alternatives to Pyright →
Full replacementbasedpyrightA fork that reads Pyright's configuration, with extra rules, baselines and Pylance features in the open language server.
Full replacementPyreflyType checker and language server written in Rust.