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LitGPT

Recipes for pretraining and finetuning open LLMs

Self-Hosted AI ★ 13.7k stars Hard setup Apache-2.0

LitGPT is a collection of open-source implementations of 20+ large language models with recipes for pretraining, finetuning, and deployment. Maintained by Lightning AI, it is built for running models on your own hardware.

Official siteSource code

Key features

  • 20+ model implementations
  • Pretraining and finetuning recipes
  • Quantization support
  • Self-host friendly

Strengths

  • Released under the Apache-2.0 license
  • Mature project with 13.7k GitHub stars
  • Written in Python

Is LitGPT secure?

OSV.dev has no published security advisories for LitGPT's repository. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

Source: OSV.dev, checked 2026-10-14. How this is measured.

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SelfHostIndex: 94 · excellent

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