Open source for data and AI

749 projects · 101 relicensed

trl license, foundation and stars

ML frameworks · Apache 2.0 (open source) · backed by Hugging Face · 19,690 stars

GitHub

Train transformer language models with reinforcement learning.

License history

LICENSE file

Apache 2.0 No license change recorded since the repository was created in 2020.

Latest release

No GitHub releases published; the project releases elsewhere (tags or its own site).

About and history
Repository
huggingface/trl · created Mar 27, 2020
Website
hf.co/docs/trl
Language
Python
Foundation
None; run by Hugging Face
Company
Hugging Face · on Companies · on Acquisitions · on awards · on blogs · on Attested · on Tier Zero · on Mainstage · on Leaders · on marketplaces · on papers · on Paydays · on Releases · on Nines · on training · on Hotlist
GitHub detects
Apache-2.0
Stars per week
51 (GitHub weekly snapshots)

Weekly snapshots

Week ofStars
Nov 2, 202619,690
Oct 26, 202619,628
Oct 12, 202619,541
Oct 5, 202619,474
Sep 21, 202619,387

Changes

Stars per weekNov 8, 2026

Gains about 51 stars a week, up from 48.

Stars per weekOct 29, 2026

Gains about 48 stars a week, down from 51.

Stars per weekOct 18, 2026

Gains about 51 stars a week, up from 44.

Stars per weekOct 9, 2026

Gains about 44 stars a week.

TrackedSep 25, 2026

Now tracked, from huggingface/trl on GitHub.