Large language models whose weights and architecture are publicly available, allowing for local deployment, modification, and fine-tuning without reliance on proprietary APIs.
Overview
- [Industry analysis] Clem Delangue from Hugging Face observed that companies like Pinterest, Airbnb, Notion, Cursor, and Intercom are finding it better, cheaper, and faster to use and train open models themselves rather than use APIs for many tasks. (Source: Clem Delangue (Hugging Face), via AI Daily Brief, 2026-08-24)