PyPI Stats
materialsproject

pymatgen-core

Pymatgen Core Modules
PyPI GitHub
Downloads
Day
10.5K
Week
79.0K
Month
435.7K
Stars
16
Forks
22
Issues
2
Version
2026.4.16

Package Insights

What's this?
Score breakdown - each component scores 0–100, weighted by percentage
Maintenance
70
Popularity
30
Adoption
56
Community
90
How the maintenance status was determined
Last commit
7 days ago
Monthly downloads
435,734
• 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
435,734
Stars
16
Stars per 1k downloads
0.04
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
11,285
Month daily avg
14,524
Momentum
-22.3%
((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
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
20 days ago
Total releases
4
Releases/year
20.6
• 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
108
Monthly downloads
435,734
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
66
 
Issue Burden
-
per 1k stars
Discussions
-
per 1k stars
Fork Ratio
490.9%
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 7.6K
macOS 485
Windows 187

Python Versions

3.12
47.8% 3.9K
3.11
39.0% 3.2K
3.13
8.3% 688
3.14
3.5% 290
3.10
1.3% 110

Top Countries

1. US US
7.5K
2. SG SG
203
3. CN CN
140
4. BE BE
70
5. DE DE
57
6. NL NL
46
7. GB GB
45
8. TW TW
45
9. JP JP
34
10. FR FR
30

Dependencies

18
17 optional dependencies

Used By

3

Package Information

License
MIT
First Release
February 24, 2026
Last Release
2 weeks ago
Last Commit
1 week ago
Latest Version
2026.4.16
Total Releases
4
Contributors
108
Open PRs
1
Archived
No
Python Versions
3 3.11 3.12 3.13 3.14
Wheels
cp311 cp312 cp313 cp314
Keywords
ABINIT VASP analysis crystal diagrams electronic gaussian materials nwchem phase project qchem science structure
Topics
materials science materials-science materials-informatics python
Tracking Since
March 8, 2026
Data Updated
May 3, 2026
Data Freshness
Fresh

Links