About Lit-GPT (Lightning AI)
Lit-GPT is Lightning AI’s open-source repository and toolset (GitHub + docs) for implementing, pretraining and fine‑tuning transformer LLM architectures; it includes scripts and support for LoRA/QLoRA, FlashAttention, quantization, and conversion utilities for popular open-source checkpoints.
Key Features
- Open-source training and fine‑tuning scripts for many LLM checkpoints (LLaMA, Falcon, RedPajama, etc.)
- Support for LoRA/QLoRA and adapter-style fine‑tuning workflows
- Performance optimizations (FlashAttention), quantization and conversion tooling
- Used as a public reproducible starter kit (official Lightning AI resources and tutorials)
Use Cases & Best For
Researchers and developers running open-source fine‑tuning experiments (LoRA/QLoRA)
Teams that want scriptable, reproducible training code with performance optimizations
About Fine-tuning & Training
Customize and train models