C1 by Thesys is a cutting-edge Generative UI API that profoundly augments Large Language Models (LLMs), enabling them to respond with dynamic, interactive user interfaces such as charts, forms, and cards, rather than conventional plain text. This revolutionary API integrates seamlessly with any LLM, framework, or Message Control Plane (MCP) in as few as two lines of code, offering unparalleled ease of adoption. Developers can now ship rich, highly interactive AI applications up to 10 times faster, while simultaneously reducing UI overhead by an impressive 80%, accelerating innovation and enhancing user engagement.
Launch Team / Built with
AP
AP
PP
ZK
Launch Date:
May 19, 2026
Product Info
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