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Pick up to four tools and compare adoption, momentum and maintenance at a glance. The crown marks the leader in each row.
| Metric | mypy | TypeScript | Pyright | ty |
|---|---|---|---|---|
| Stars | 20.7k | 112k | 15.7k | 20k |
| Weekly downloads | 48M | 418M | 1.4M | 12M |
| Download growth | +29% | +30% | +27% | +25% |
| Popularity score | 87/100 | 96/100 | 76/100 | 83/100 |
| Forks | 3.4k | 15.1k | 1.8k | 350 |
| Open issues | 3.2k | 5.3k | 403 | 990 |
| Last commit | today | 2d ago | 5d ago | 5d ago |
| Latest version | 2.4.1Oct 28, 2026 | 7.0.2 | 1.1.414 | 0.0.101Nov 11, 2026 |
| License | n/a | Apache-2.0 | n/a | MIT |
| First released | 2012 | 2014 | 2019 | 2025 |
| Signals | Popular | Popular | Popular | TrendingNew |
| Listed in | Languages & Runtimes › Type Checkers & Compilers | Frontend › Languages, Runtimes & Package ManagersLanguages & Runtimes › Most-Used LanguagesLanguages & Runtimes › Type Checkers & Compilers | Languages & Runtimes › Type Checkers & Compilers | Languages & Runtimes › Type Checkers & Compilers |
Hover for exact values; switch to log scale for tools of very different sizes. Not shown (no comparable download data): TypeScript, Pyright.