PyRank
PennyLaneAI

pennylane

PennyLane is an open-source quantum software platform for quantum computing, quantum machine learning, and quantum chemistry. Create meaningful quantum algorithms, from inspiration to implementation.
PyPI GitHub
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

pennylane has 341K monthly downloads and 3K GitHub stars. Version 0.45.1 supports Python 3.11+, first published in 2018.

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

It is built on top of appdirs, autograd and autoray. It is used by 130 tracked packages, including pennylane-lightning, pennylane-ionq and pennylane-qiskit.

GitHub topics include quantum, machine-learning and deep-learning.

Downloads
Day
7.9K
Week
65.5K
Month
341.4K
Stars
3.3K
Forks
819
Issues
269
Version
0.45.1

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
90
Popularity
78
Adoption
55
Community
90
Provenance
0
How the maintenance status was determined
Last commit
3 days ago
Monthly downloads
341,408
• 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
341,408
Stars
3,289
Stars per 1k downloads
9.63
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
9,359
Month daily avg
11,380
Momentum
-17.8%
((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
10 days ago
Total releases
14
Releases/year
1.8
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
251
Monthly downloads
341,408
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
81.8
per 1k stars
Discussions
0.9
per 1k stars
Fork Ratio
30.6%
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 6.9K
Windows 264
macOS 169

Python Versions

3.11
41.9% 3.0K
3.12
31.2% 2.2K
3.10
15.4% 1.1K
3.13
8.6% 617
3.9
2.9% 205

Top Countries

1. US US
5.1K
2. SG SG
897
3. IE IE
472
4. FI FI
224
5. IN IN
104
6. NL NL
101
7. AU AU
83
8. TW TW
81
9. CA CA
49
10. GB GB
46

Package Information

License
Apache-2.0
First Release
November 12, 2018
Last Release
1 week ago
Last Commit
3 days ago
Latest Version
0.45.1
Total Releases
14
Contributors
251
Open PRs
124
Archived
No
Python Versions
3 3.11 3.12 3.13 3.14
Wheels
py3
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links