Side-by-side comparison

Hugging Face library for post-training LLMs with SFT, DPO, GRPO and other RL-based methods.

Hugging Face's reference library for defining, loading and fine-tuning pretrained text, vision and audio models.

The main registry for open models, datasets and Spaces, plus the Python client for uploading and downloading.

Load, stream and process large ML datasets from the Hub with Apache Arrow-backed memory mapping.