Hugging Face
The open-source AI platform with 500K+ models, inference endpoints, and fine-tuning tools
Hugging Face is the central hub for open-source machine learning. It hosts over 500,000 models and provides inference endpoints for deploying them via API, fine-tuning libraries (TRL, PEFT), and core frameworks (Transformers, Diffusers). The platform supports text, image, audio, and video models with a unified inference API across 45,000+ models from multiple providers.
Pricing: Usage-based
Hugging Face Alternatives
Explore 20 products in the Fine-tuning category. View all Hugging Face alternatives.
LLaMA-Factory
Open-source fine-tuning framework for 100+ LLMs with a web UI
Unsloth
Fine-tune LLMs up to 30x faster with 90% less memory usage
TRL
Hugging Face library for training language models with RLHF, SFT, and DPO
torchtune
PyTorch-native fine-tuning library from Meta, no longer actively maintained (development wound down in 2025)
OVHcloud AI
European cloud provider with AI inference, training, and deployment services
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