PyRank
google

jaxopt

Hardware accelerated, batchable and differentiable optimizers in JAX.
PyPI GitHub
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

jaxopt has 499K monthly downloads and 1K GitHub stars. Version 0.8.5, first published in 2021.

It is stably maintained under a permissive license, last released in Apr 2025.

It is built on top of jax, jaxlib and numpy. It is used by 79 tracked packages, including ott-jax, brax and searchlibrium.

GitHub topics include jax, optimization and deep-learning.

Downloads
Day
13.8K
Week
119.1K
Month
499.2K
Stars
1.0K
Forks
74
Issues
118
Version
0.8.5

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
70
Popularity
61
Adoption
76
Community
60
Provenance
0
How the maintenance status was determined
Last commit
32 days ago
Monthly downloads
499,157
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
499,157
Stars
1,044
Stars per 1k downloads
2.09
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
17,019
Month daily avg
16,639
Momentum
+2.3%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
Not specified
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
Package does not declare a minimum Python version.
License categories
License
Apache 2.0
• 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
448 days ago
Total releases
19
Releases/year
4.0
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
52
Monthly downloads
499,157
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
72
 
Issue Burden
113.0
per 1k stars
Discussions
32.6
per 1k stars
Fork Ratio
70.3%
contrib / forks
Stale Release
416d
 
PR Velocity
Quiet
 

Weekly Downloads

GitHub Stars

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

Downloads by OS

Linux 8.3K
Windows 88
macOS 78

Python Versions

3.12
58.1% 4.9K
3.11
29.4% 2.5K
3.10
6.1% 508
3.13
5.4% 453
3.14
1.0% 80

Top Countries

1. US US
4.9K
2. IE IE
2.3K
3. NL NL
495
4. SG SG
379
5. CN CN
69
6. KR KR
54
7. GB GB
45
8. HK HK
43
9. DE DE
35
10. JP JP
29
GitHub Topics
Tags from the package's GitHub repository describing what it does.

Package Information

License
Apache 2.0
First Release
October 14, 2021
Last Release
1 year ago
Last Commit
1 month ago
Latest Version
0.8.5
Total Releases
19
Contributors
52
Open PRs
22
Archived
No
Author
Google LLC
Python Versions
3 3.10 3.11 3.12 3.13
Wheels
py3
Keywords
optimization root finding implicit differentiation jax
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links