A fast type checker and language server for Python
Type checker and language server written in Rust.
alternatives to
Pyright
Static Type Checker for Python
Side by side
| Tool | Fit | Stars | Licence | Terms | Self-hosted | Language | Latest | Last push |
|---|---|---|---|---|---|---|---|---|
| Pyrefly | Full replacement | 7k | MIT | Open source | No | Rust | 1.3.2 | 2026-10-06 |
| basedpyright | Full replacement | 3.6k | Other | Open source | No | TypeScript | v1.40.2 | 2026-10-04 |
Every alternative
2 alternatives
pyright fork with various type checking improvements, improved vscode support and pylance features built into the language server
A fork that reads Pyright's configuration, with extra rules, baselines and Pylance features in the open language server.
- Language
- TypeScript
- Licence
- Other
- Stars
- 3.6k
- Latest
- v1.40.2
- Last push
- 2026-10-04
Head to head
About Pyright
- Language
- Python
- Licence
- Other
- Stars
- 16k
- Last push
- 2026-10-05