exoplanet

The premium Open Source alternative to ExoFast

🎯 Best for:Astronomers modeling complex planetary systems with large datasets.

What is exoplanet?

Replaces manual MCMC scripts for transit and radial velocity fitting. Built on PyMC, it utilizes gradient-based sampling for high-dimensional astronomical datasets.

Tech Stack
PythonPhysics & Astronomy

Why exoplanet?

  • Gradient-based sampling
  • JAX support
  • Scalable architecture

Limitations

  • Requires C++ compiler
  • Complex prior definitions
  • High memory usage
2/26/2026
Last Update
55
Forks
38
Issues
MIT
License
Financial Leak Detected

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Competitor Cost
-$1,440
/ year (est. based on ExoFast)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%

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