What is LitGPT?
Lightning AI's LLM fine-tuning and deployment framework. Supports 20+ model families, LoRA/QLoRA/full fine-tuning, and runs on consumer GPUs.
TL;DR: LLM fine-tuning framework. 20+ model families. LoRA/QLoRA trainable on consumer GPUs. One-command download/fine-tune/serve. Built by Lightning AI. 10k+ stars.
Best for: ML engineers fine-tuning open-source models on their own hardware.
Core Features
1. One-Command Workflow
Download/chat/finetune/serve — four steps, done.
2. Consumer-Grade Ready
QLoRA needs only 6GB VRAM; an RTX 3060 can train a 7B model.
FAQ
Q: How does it compare to Unsloth? A: Unsloth is faster for single-GPU LoRA; LitGPT supports more model families, multi-GPU, and pretraining.