PyStan 3 Beta 2 now available on PyPI

PyStan 3 Beta 2 (3.0.0b2) is now available on PyPI for macOS and Linux users.


This is beta software. Please report bugs on the pystan-next issue tracker.

Install with pip install --pre pystan.

PyStan 3 is a complete rewrite. Notable new features of PyStan 3 include:

  • Automatic caching of compiled Stan models
  • Automatic caching of samples from Stan models
  • Open source software: ISC License
  • Stan 2.24
  • CVODES support out of the box.

Only the recommended sampler (No-U-Turn Sampler) is currently supported. Windows is not supported at this time. For additional details, see Upgrading to Newer Releases.