Astral’s ty: A New Blazing-Fast Type Checker for Python
After Ruff and uv, the Astral team is back with another Rust-based tool called ty, short for type check. This new tool delivers a lightning-fast static type-checking experience in Python, aiming to outpace existing tools in both performance and convenience. By incorporating ty into your daily workflow, you’ll catch type-related bugs earlier and get clearer feedback.
But is ty suitable for you? Take a look at the table below to make a quick decision:
| Use Case | Pick ty |
Pick Other Tools |
|---|---|---|
| Development or experimentation | ✅ | ❌ |
| Production use | ❌ | ✅ |
At the time of writing, ty is available as an early preview release with hundreds of open issues. Despite being