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
Stop the "SaaS Tax"
Your team could be burning cash. Switching to exoplanet instantly boosts your runway.
Competitor Cost
-$1,440
/ year (est. based on ExoFast)
Self-Hosted
$0
/ year
Team Size10 Users
150+
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