State of Open Source on Hugging Face: Spring 2026
Open source AI activity on Hugging Face grew rapidly in 2025, with users, models, and datasets roughly doubling. The platform reached about 13M users, more than 2M public models, and over 500k public datasets, with a rise in derivative artifacts like fine-tuned models and adapters. The ecosystem remains highly concentrated, and distribution across regions and domains shows clear frontrunners.