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LMFlow
Python

LMFlow

An Extensible Toolkit for Finetuning and Inference of Large Foundation Models. Large Models for All.

by OptimalScale · GitHub
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chatgptdeep-learninginstruction-followingApache-2.0Python
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Fine-tune large machine learning models quickly and easily with a user-friendly toolkit designed for everyone.

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8.49k8.48k
2026-07-042026-08-31
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📄 About

An Extensible Toolkit for Finetuning and Inference of Large Foundation Models. Large Models for All.

LMFlow has 8.5k stars on GitHub. It has been forked 828 times. LMFlow is written mainly in Python. It has been in active development since 2023. LMFlow is available under the Apache-2.0 license. Its main topics are chatgpt, deep-learning, instruction-following, language-model.

Frequently asked questions

What is LMFlow?

An Extensible Toolkit for Finetuning and Inference of Large Foundation Models. Large Models for All.

Is LMFlow open source?

LMFlow is an open-source project. It is released under the Apache-2.0 license.

Is LMFlow free?

Yes. LMFlow is free and open source — you can use, modify and self-host it.

What license does LMFlow use?

LMFlow is available under the Apache-2.0 license.

What language is LMFlow written in?

LMFlow is written mainly in Python.

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