compare
mypy vs ty
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | mypy | ty |
|---|---|---|
| Language | Python | Python |
| Licence | Other | MIT |
| Stars | 21k | 20k |
| Latest | v2.4.0 | 0.0.84 |
| Last push | 2026-10-06 | 2026-10-06 |
| Release cadence | too few releases | about 3 days between releases |
| Active contributors | 28 commit authors on the default branch in the last 90 days | 15 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
ty replaces mypy. Alternatives to mypy →
Full replacementStill in beta.
Published benchmarks, each linked to its source. The numbers depend on the hardware and the workload they were measured on.
Type checking home-assistant on the command line without caching
Apple M4: ty 2.19s, mypy 45.66s (Pyrefly 5.32s, Pyright 19.62s).
mypy
unsigned The latest release, v2.4.0, carries no signature GitHub could verify.
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ty
✓ signed The latest release, 0.0.84, carries a signature GitHub verified.
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