PyPI Stats
DLR-RM

rl-zoo3

A training framework for Stable Baselines3 reinforcement learning agents, with hyperparameter optimization and pre-trained agents included.
PyPI GitHub

Shared Repository

This package shares its GitHub repository (DLR-RM/rl-baselines3-zoo) with 1 other package. Stars, forks, and other GitHub metrics reflect the entire repository.
Downloads
Day
767
Week
1.5K
Month
5.6K
Stars
2.8K
Forks
595
Issues
50
Version
2.9.0a2

Package Insights

What's this?
Score breakdown - each component scores 0–100, weighted by percentage
Maintenance
90
Popularity
75
Adoption
67
Community
70
How the maintenance status was determined
Last commit
13 days ago
Monthly downloads
5,560
• 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
5,560
Stars
2,793
Stars per 1k downloads
502.34
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
221
Month daily avg
185
Momentum
+19.3%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
>=3.10
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
MIT
• 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
13 days ago
Total releases
34
Releases/year
9.5
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
47
Monthly downloads
5,560
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
78
 
Issue Burden
17.9
per 1k stars
Discussions
1.8
per 1k stars
Fork Ratio
7.9%
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 29
Windows 4
macOS 4

Python Versions

3.12
67.6% 25
3.10
16.2% 6
3.13
8.1% 3
3.11
5.4% 2
3.9
2.7% 1

Top Countries

1. MY MY
20
2. US US
12
3. FR FR
2
4. PK PK
2
5. CA CA
1
6. CH CH
1
7. CN CN
1

Dependencies

9
6 optional dependencies

Used By

2

Package Information

License
MIT
First Release
October 3, 2022
Last Release
1 week ago
Last Commit
1 week ago
Latest Version
2.9.0a2
Total Releases
34
Contributors
47
Open PRs
13
Archived
No
Author
Antonin Raffin
Python Versions
3 3.10 3.11 3.12 3.13
Wheels
py3
Keywords
reinforcement-learning-algorithms reinforcement-learning machine-learning gymnasium openai stable baselines sb3 toolbox python data-science
Topics
rl reinforcement-learning stable-baselines openai gym pybullet hyperparameter-optimization hyperparameter-tuning hyperparameter-search optimization sde robotics lab pybullet-environments tuning-hyperparameters deep-reinforcement-learning pytorch
Tracking Since
January 6, 2026
Data Updated
May 3, 2026
Data Freshness
Fresh

Links