transformers

Transformers: the model-definition framework for state-of-the-art machine learning models in text, vision, audio, and multimodal models, for both inference and training.

transformers Permissive license Apache 2.0 License Active ★ 164,071 v5.15.0 released 2026-08-10

Install

transformers on PyPI

pip

pip install transformers

uv

uv add transformers

poetry

poetry add transformers

Package facts

License	Apache 2.0 License (permissive)
Python support	supports the current Python release (>=3.10.0)
Install friction	low — pure-Python wheel
Runtime dependencies	9 — huggingface-hub, numpy, packaging, pyyaml, regex, tokenizers, typer, safetensors, tqdm
Maintenance	actively maintained — 3 days since the last release
Last repo commit	2026-08-13
First released	2016-08-17
Popularity	one of the top 1,000 most-downloaded packages on PyPI (30-day window, as of 2026-08-13)
Known vulnerabilities	none known (OSV.dev, checked 2026-08-13)

Evidence: transformers-5.15.0-py3-none-any.whl

Keywords: machine-learning, nlp, python, pytorch, transformer, llm, vlm, deep-learning, inference, training, model-hub, pretrained-models, llama, gemma, qwen

Development Status :: 5 - Production/StableIntended Audience :: DevelopersIntended Audience :: EducationIntended Audience :: Science/ResearchOperating System :: OS IndependentProgramming Language :: Python :: 3Programming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.14Topic :: Scientific/Engineering :: Artificial Intelligence

About transformers

from the package's own PyPI description — quoted content, verbatim

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. -->

<p...

Read as markdown · JSON record · Source repository · Homepage