History

The project's life, one year at a time, told from the commit record: how activity rose and fell against the project's own baseline, who arrived when, and what was released.

Span
2012 – 2026
15 years
Peak Year
2025
14,993 commits
Releases
8,973
latest in 2026
2012BIRTHfirst commits

198 commits (0.2%) · +0 / −0 lines · 11 authors

Led by Ronan Collobert (96 commits)

First commits: Ronan Collobert, koray kavukcuoglu, Clement Farabet, Julien Cornebise, Ivo Danihelka, Arnaud Chauveur (+5 more)

2013QUIETwell below the usual pace

160 commits (0.1%) · +0 / −0 lines · 9 authors

Led by Clement Farabet (33 commits)

First commits: Leon Bottou, Dan Horgan

2014QUIETwell below the usual pace

140 commits (0.1%) · +0 / −0 lines · 18 authors

Led by Soumith Chintala (35 commits)

First commits: Nicholas Léonard, Tim Harley, Dominik Grewe, Nicholas Leonard, Hycis, Jonathan Tompson (+7 more)

2015QUIETwell below the usual pace

438 commits (0.4%) · +0 / −0 lines · 49 authors

Led by Yangqing Jia (189 commits)

First commits: Yangqing Jia, Adam Lerer, Andreas Koepf, Jeff Donahue, Yori Zwols, Sam Gross (+32 more)

2016QUIETwell below the usual pace

1,838 commits (1.6%) · +211,056 / −60,123 lines · 119 authors

Led by Soumith Chintala (387 commits)

First commits: Gregory Chanan, Bram Wasti, Trevor Killeen, Sylvain Jeaugey, Jokeren, Aapo Kyrola (+89 more)

Released: v0.1.1, v0.1.2, v0.1.3, v0.1.4, v0.1.5

2017STEADY

6,238 commits (5.5%) · +285,626 / −167,304 lines · 538 authors

Led by Soumith Chintala (534 commits)

First commits: Edward Z. Yang, Zachary DeVito, Tongzhou Wang, Alexander Sidorov, Kittipat Virochsiri, James Reed (+469 more)

Released: v0.1.6, v0.1.7, v0.1.8, v0.1.9, v0.1.10 (+1 more)

2018STEADY

6,511 commits (5.8%) · +1,175,616 / −515,004 lines · 617 authors

Led by Edward Z. Yang (476 commits)

First commits: onnxbot, Yinghai Lu, Sebastian Messmer, David Riazati, Christian Puhrsch, Paul Jesse Hellemn (+470 more)

Released: v1.0.0a0, v1.0rc0, v1.0rc1, v1.1.0a0

2019STEADY

7,779 commits (6.9%) · +861,416 / −546,037 lines · 693 authors

Led by Edward Z. Yang (388 commits)

First commits: Zafar Takhirov, Jiakai Liu, Nikolay Korovaiko, Pavel Belevich, Iurii Zdebskyi, Ivan Kobzarev (+466 more)

Released: v1.2.0a0, v1.3.0a0, v1.4.0a0

2020STEADY

9,147 commits (8.1%) · +1,066,889 / −532,151 lines · 847 authors

Led by Nikita Shulga (427 commits)

First commits: Vasiliy Kuznetsov, Eli Uriegas, Meghan Lele, Omkar Salpekar, Nick Gibson, Bert Maher (+586 more)

2021STEADY

10,920 commits (9.7%) · +1,462,916 / −853,920 lines · 818 authors

Led by Richard Zou (376 commits)

First commits: Mike Iovine, Can Balioglu, Thomas J. Fan, lezcano, Kevin Tse, soulitzer (+515 more)

Released: v1.8.0-rc1

2022STEADY

11,889 commits (10.6%) · +1,989,153 / −1,266,072 lines · 893 authors

Led by PyTorch MergeBot (771 commits)

First commits: PyTorch MergeBot, Huy Do, Catherine Lee, Sherlock Huang, Justin Chu, mikey dagitses (+547 more)

Released: nightly-binary, malfet/tag-2ef5611, malfet/tag-317b1a0, malfet/tag-ec6f767, ciflow/periodic/sha-ec5b83 (+10 more)

2023SURGEwell above the usual pace

12,593 commits (11.2%) · +1,488,164 / −1,204,207 lines · 956 authors

Led by PyTorch MergeBot (828 commits)

First commits: Jon Chuang, PyTorch UpdateBot, Jez Ng, fffrog, Avik Chaudhuri, Aleksei Nikiforov (+560 more)

Released: ciflow/periodic/94512-point, ciflow/slow/9d85864, ciflow/slow/01c7106, ciflow/slow/0577043, ciflow/slow/0e81104 (+18 more)

2024SURGEwell above the usual pace

14,893 commits (13.2%) · +1,853,751 / −1,823,232 lines · 1,031 authors

Led by PyTorch MergeBot (1,303 commits)

First commits: Aaron Orenstein, Bob Ren, Laith Sakka, Pian Pawakapan, Ryan Guo, Tom Ritchford (+613 more)

Released: forpull1, cslpull75, cslpull76, cslpull79, cslpull82 (+14 more)

2025PEAKbusiest year

14,993 commits (13.3%) · +1,865,320 / −1,330,164 lines · 1,110 authors

Led by PyTorch MergeBot (1,411 commits)

First commits: dolpm, Andy (An) Wang, Maggie Moss, zpcore, can-gaa-hou, Rob Timpe (+606 more)

Released: viable/strict/1759350324, viable/strict/1759351793, viable/strict/1759343184, viable/strict/1759379133, viable/strict/1760727234 (+987 more)

2026SURGEwell above the usual pace

14,869 commits (13.2%) · +2,421,513 / −1,018,743 lines · 1,378 authors

Led by PyTorch MergeBot (1,461 commits)

First commits: Frederik Gossen, ryanzhang22, Guan-Ming (Wesley) Chiu, George Hong, Benedikt Johannes, Scott Schneider (+873 more)

Released: viable/strict/1767389033, viable/strict/1767400829, viable/strict/1767430404, viable/strict/1767445313, viable/strict/1767502846 (+7900 more)