optuna
A hyperparameter optimization framework
optuna has been downloaded 293,387,022 times in total on PyPI, including 17,215,555 in the last 30 days. The latest version is 4.9.0.dev20260515, released May 15, 2026.
Version4.9.0.dev20260515
Downloads
293.39M
License—
AuthorTakuya Akiba
Downloads
Weekly, last 90d.
Includes CI traffic.
VersionsTotal5.*4.*
Range
View
Granularity
Group by
CI traffic
Stack: OffCI: Included3 / 81 series
Selected total96.43M
293.4MAll-time
17.2MLast 30 days
726.6kLast 24 h
6.27/sPer second
Sponsored
Sponsorships keep pepy free to read
Version distribution
Share of downloads by released version. Computed over the last quarter.
- 0148.3%
4.9.0
24.5M downloadsDownloads24.5M48.3% - 0211.6%
4.7.0
5.9M downloadsDownloads5.9M11.6% - 0310.3%
4.8.0
5.2M downloadsDownloads5.2M10.3% - 044.7%
4.6.0
2.4M downloadsDownloads2.4M4.7% - 054.7%
4.4.0
2.4M downloadsDownloads2.4M4.7% - 064.3%
3.6.1
2.2M downloadsDownloads2.2M4.3% - 073.4%
4.3.0
1.7M downloadsDownloads1.7M3.4% - 082.6%
4.5.0
1.3M downloadsDownloads1.3M2.6% - 0910.1%
Other
5.1M downloadsDownloads5.1M10.1%
Guess the next day
Thirteen recent days of optuna downloads. Drag the green handle on the right to guess where day fourteen lands.