PyRank
deepmind

open-spiel

OpenSpiel is a collection of environments and algorithms for research in general reinforcement learning and search/planning in games.
PyPI GitHub
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

open-spiel has 286K monthly downloads and 5K GitHub stars. Version 1.6.15 supports Python 3.11+, first published in 2020.

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

It is built on top of absl-py, attrs and ml-collections. It is used by 7 tracked packages, including kaggle-environments, noregret and liteefg.

GitHub topics include games, reinforcement-learning and multiagent.

Downloads
Day
5.2K
Week
33.5K
Month
285.8K
Stars
5.3K
Forks
1.1K
Issues
17
Version
1.6.15

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
90
Popularity
82
Adoption
54
Community
90
Provenance
0
How the maintenance status was determined
Last commit
24 days ago
Monthly downloads
285,753
• 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
285,753
Stars
5,308
Stars per 1k downloads
18.58
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
4,790
Month daily avg
9,525
Momentum
-49.7%
((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-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
45 days ago
Total releases
34
Releases/year
6.1
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
245
Monthly downloads
285,753
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
92
 
Issue Burden
3.2
per 1k stars
Discussions
6.4
per 1k stars
Fork Ratio
21.3%
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 3.5K
macOS 416
Windows 96

Python Versions

3.11
44.1% 1.8K
3.13
35.0% 1.4K
3.12
18.1% 722
3.10
1.6% 63
3.14
1.3% 52

Top Countries

1. US US
1.6K
2. SE SE
1.1K
3. GB GB
490
4. JP JP
258
5. PL PL
103
6. KR KR
86
7. DE DE
71
8. IN IN
66
9. CA CA
60
10. HK HK
54

Dependencies

5
9 optional dependencies

Used By

7
GitHub Topics
Tags from the package's GitHub repository describing what it does.

Package Information

License
Apache-2.0
First Release
December 7, 2020
Last Release
1 month ago
Last Commit
3 weeks ago
Latest Version
1.6.15
Total Releases
34
Contributors
245
Open PRs
24
Archived
No
Author
The OpenSpiel authors
Python Versions
3 3.11 3.12 3.13
Wheels
cp310 cp311 cp312 cp313 cp314 cp36 cp37 cp38 cp39
Keywords
reinforcement learning game theory artificial intelligence games
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links