C1 by Thesys is a cutting-edge Generative UI API that turns LLM outputs into real-time interactive interfaces—charts, forms, cards, and more—instead of plain text. It works with any model, framework, or MCP and integrates in just two lines of code, cutting UI overhead by up to 80%. Build and ship rich, production-ready AI applications up to 10× faster with adaptive, user-centric experiences.
Timeline
Product releases and updates over time
