No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
stanio has 6.8M monthly downloads and 3 GitHub stars. Version 0.5.1 supports Python 3.8+, first published in 2023.
It is actively maintained under a permissive license, last released in Jul 2024.
It is built on top of numpy. It is used by 8 tracked packages, including cmdstanpy, bridgestan and texas-psm.
GitHub topics include csv, io and json.
Package Insights
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
80
Popularity
8
Adoption
60
Community
30
Provenance
0
How the maintenance status was determined
Last commit
5 days ago
Monthly downloads
6,831,791
•
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
6,831,791
Stars
3
Stars per 1k downloads
0.00
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
185,595
Month daily avg
227,726
Momentum
-18.5%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python version support tiers
requires_python
>=3.8
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
BSD-3-Clause
•
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
728 days ago
Total releases
6
Releases/year
2.1
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
31
Monthly downloads
6,831,791
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
26
Issue Burden
-
per 1k stars
Discussions
-
per 1k stars
Fork Ratio
-
contrib / forks
Stale Release
722d
PR Velocity
Quiet
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
129.9K
Windows
766
macOS
234
Python Versions
3.12
34.7%
44.1K
3.11
33.5%
42.4K
3.10
25.4%
32.3K
3.9
3.9%
5.0K
3.13
2.4%
3.1K
Top Countries
1.
US
88.2K
US
2.
NL
6.4K
NL
3.
IE
6.0K
IE
4.
DE
5.5K
DE
5.
IN
4.0K
IN
6.
AU
3.0K
AU
7.
GR
3.0K
GR
8.
FR
2.2K
FR
9.
SG
1.7K
SG
10.
JP
1.3K
JP
Dependencies
1
4 optional dependencies
- pandas[test]
- pytest[test]
- pytest-cov[test]
- ujson[ujson]
Package Information
License
BSD-3-Clause
First Release
August 14, 2023
Last Release
1 year ago
Last Commit
6 days ago
Latest Version
0.5.1
Total Releases
6
Contributors
31
Open PRs
0
Archived
No
Author
Stan Dev Team
Python Versions
3
Wheels
py3
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh