C1 is a Generative UI API that augments LLMs to respond with interactive UI like charts, forms, cards, and more, in real time. It integrates seamlessly with any LLM, framework, or MCP in just 2 lines of code. Ship AI apps 10X faster with 80% less UI overhead.

Let your users generate interactive slides and reports right within your AI app, fully on-brand. Easy to create and edit with prompts, and share with a link. Integrate in just 3 steps or try it as an MCP in your favorite AI app.

Still mapping AI conversations in Figma or Miro? There’s a better way. Thesys Canvas is built for AI interactions—helping you map conversations, craft responses, and design agent-driven experiences effortlessly.