C1 by Thesys is a Generative UI API that augments LLMs to respond with interactive UI like charts, forms, cards, and more in real-time, instead of plain text. It integrates seamlessly with any LLM, framework, or MCP in just 2 lines of code. Ship rich, interactive AI apps 10x faster with 80% less UI overhead.
Thesys awards
4
Launches
3
Awards
Launch Awards
Agent Builder by Thesys
Launch of the Day
February 10th, 2026
Launch Awards
C1 by Thesys
Launch of the Week
September 30th, 2025
Launch Awards
C1 by Thesys
Launch of the Day
September 30th, 2025