PyRank
pyro-ppl

numpyro

Probabilistic programming with NumPy powered by JAX for autograd and JIT compilation to GPU/TPU/CPU.
PyPI GitHub
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

numpyro has 715K monthly downloads and 3K GitHub stars. Version 0.21.0 supports Python 3.11+, first published in 2019.

It is actively maintained under a permissive license, last released in May 2026.

It is built on top of jax, jaxlib and multipledispatch. It is used by 146 tracked packages, including gpjax, unite and pertpy.

GitHub topics include pyro, jax and hmc.

Downloads
Day
20.0K
Week
150.2K
Month
714.9K
Stars
2.7K
Forks
289
Issues
50
Version
0.21.0

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
100
Popularity
72
Adoption
58
Community
80
Provenance
0
How the maintenance status was determined
Last commit
4 days ago
Monthly downloads
714,908
• Active
Activity within 30 days
Stable
Activity within 31-180 days
Minimal
Activity within 181-365 days, or no activity data
At Risk
No activity for > 365 days, but > 10,000 monthly downloads
Archived
Repository flagged as archived on GitHub
How the popularity category was determined
Monthly downloads
714,908
Stars
2,711
Stars per 1k downloads
3.79
Industry Standard
> 10,000,000 monthly downloads
Hidden Gem
< 0.5 stars per 1k downloads and > 100,000 monthly downloads
Community Favorite
> 5 stars per 1k downloads
• Rising Star
Balanced ratio of stars to downloads
Unknown
Fewer than 1,000 monthly downloads, or no star data
How download momentum is calculated
Week daily avg
21,455
Month daily avg
23,830
Momentum
-10.0%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
>=3.11
Cutting Edge
Minimum supported version is 3.12 or newer
• Modern
Minimum supported version is 3.9, 3.10, or 3.11
Legacy
Supports 3.8 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
Apache Software License
• Permissive
MIT, Apache, BSD, ISC, Unlicense, CC0, etc.
Copyleft
GPL, LGPL, AGPL, MPL, EPL, etc.
Proprietary
Commercial, all rights reserved, custom EULAs
Unknown
No license specified, or none of the above match
How the release cadence was determined
Last release
65 days ago
Total releases
39
Releases/year
5.5
Rapid
Last release within 365 days and > 12 releases/year
• Regular
Last release within 365 days
Slow
Last release 366-730 days ago
Stalled
Last release > 730 days ago, or no releases
Unknown
No usable release date available
How contributor risk was determined
Contributors
134
Monthly downloads
714,908
High Load
≤ 2 contributors and ≥ 50,000 monthly downloads
Moderate Load
< 10 contributors and ≥ 500,000 monthly downloads
Low Load
< 25 contributors and ≥ 5,000,000 monthly downloads, or sole maintainer with ≥ 10,000 monthly downloads
• Balanced
Enough contributors for the package's popularity
Unknown
No contributor data available
Engagement
65
 
Issue Burden
18.4
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
46.4%
contrib / forks
Stale Release
No
 
PR Velocity
Quiet
 

Weekly Downloads

GitHub Stars

Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 11.1K
macOS 355
Windows 186

Python Versions

3.12
47.3% 5.1K
3.11
17.8% 1.9K
3.10
15.6% 1.7K
3.13
11.6% 1.2K
3.9
7.8% 840

Top Countries

1. US US
7.9K
2. IE IE
2.3K
3. SG SG
519
4. GB GB
373
5. AU AU
168
6. NL NL
152
7. MY MY
138
8. CN CN
117
9. JP JP
71
10. DE DE
63
GitHub Topics
Tags from the package's GitHub repository describing what it does.

Package Information

License
Apache Software License
First Release
June 1, 2019
Last Release
2 months ago
Last Commit
5 days ago
Latest Version
0.21.0
Total Releases
39
Contributors
134
Open PRs
15
Archived
No
Python Versions
3.11 3.12 3.13 3.14
Wheels
py3
Keywords
probabilistic machine learning bayesian statistics
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links