Hugging Face Transformers
Overview
Hugging Face Transformers is the most widely-used open-source library for working with LLMs and transformer models. It provides a unified API for thousands of pretrained models.
Key Features
- 50,000+ models: From BERT to GPT-4, coverage of all major architectures
- AutoModel: One line to load any model from the hub
- Trainer API: Built-in training loop with distributed support
- Tokenizers: Fast Rust-based tokenizers
Relationship to Other Projects
- Used by virtually every LLM project as the underlying engine
- Competes with litgpt for training and vLLM for serving
- Works with llamaindex and haystack for RAG