No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
orbax-checkpoint has 5.9M monthly downloads and 524 GitHub stars. Version 0.12.1 supports Python 3.11+, first published in 2023.
It is actively maintained under a permissive license, last released in Jun 2026.
It is built on top of absl-py, aiofiles and etils. It is used by 72 tracked packages, including flax, orbax-export and pathwaysutils.
GitHub topics include flax, jax and checkpoint.
Package Insights
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
100
Popularity
58
Adoption
60
Community
80
Provenance
0
How the maintenance status was determined
Last commit
4 days ago
Monthly downloads
5,861,655
•
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
5,861,655
Stars
524
Stars per 1k downloads
0.09
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
161,736
Month daily avg
195,388
Momentum
-17.2%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python 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
12 days ago
Total releases
108
Releases/year
31.7
•
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
117
Monthly downloads
5,861,655
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
85
Issue Burden
76.3
per 1k stars
Discussions
24.8
per 1k stars
Fork Ratio
115.8%
contrib / forks
Stale Release
No
PR Velocity
Active
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
92.1K
Windows
3.9K
macOS
3.6K
Python Versions
3.12
38.7%
38.2K
3.11
33.4%
32.9K
3.10
21.8%
21.5K
3.13
4.7%
4.6K
3.9
1.4%
1.4K
Top Countries
1.
US
80.2K
US
2.
SG
4.3K
SG
3.
IE
3.9K
IE
4.
NL
1.6K
NL
5.
JP
1.1K
JP
6.
SE
1.1K
SE
7.
MY
973
MY
8.
GB
947
GB
9.
HK
859
HK
10.
CN
725
CN
Dependencies
16
- absl-py
- aiofiles
- etils
- humanize
- jax >=0.6.0
- msgpack
- nest-asyncio
- numpy
- prometheus-client >=0.20.0
- protobuf
- psutil
- pyyaml
- simplejson >=3.16.0
- tensorstore >=0.1.84
- typing-extensions
- uvloop
31 optional dependencies
- aiofiles[docs]
- aiofiles[testing]
- aiosqlite[tiering-service]
- chex[testing]
- clu[docs]
- clu[testing]
- fastapi[testing]
- fire[tiering-service]
- flax[docs]
- flax[testing]
- google-cloud-logging[testing]
- google-cloud-logging[docs]
- grain[testing]
- grain[docs]
- greenlet[tiering-service]
- grpcio-tools[tiering-service]
- httpx[testing]
- httpx[tiering-service]
- mock[testing]
- opencv-python[docs]
- pysqlite3[tiering-service]
- pytest[testing]
- pytest-xdist[testing]
- pytimeparse[tiering-service]
- safetensors[docs]
- safetensors[testing]
- sqlalchemy[tiering-service]
- tensorflow[testing]
- tensorflow-datasets[docs]
- torch[testing]
- uvloop[tiering-service]
Used By
72
- flax
- orbax-export
- pathwaysutils
- google-tunix
- brax
- kauldron
- gemma
- jax2onnx
- jax-ai-stack
- roxxel
- playground
- paxml
- alberta-framework
- lalamo
- mlip
- cd-dynamax
- mintstate
- astronomix
- clip-jax
- datarax
- xax
- avitai-artifex
- xtrax
- synthpix
- apax
- bacpipe
- nadl
- hackable-diffusion
- dynestyx
- ife-surrogate
- alphagenome-ft
- kinetix-env
- tn4ml
- nnx-ppo
- jax-neural-operators
- tensorial
- jaxion
- beastsim
- gensbi
- kithara
- scribe-data
- opifex
- flax-pilot
- finhjb
- jaxnn
- adirondax
- feedback-grape
- julax
- multistage
- nasimjax
GitHub Topics
Tags from the package's GitHub repository describing what it does.
Package Information
License
Apache Software License
First Release
February 8, 2023
Last Release
1 week ago
Last Commit
4 days ago
Latest Version
0.12.1
Total Releases
108
Contributors
117
Open PRs
401
Archived
No
Wheels
py3
Keywords
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh