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.
This is the 4th launch from Thesys. View more
Agent Builder by Thesys
Launching today
Build AI agents that reason dynamically and respond with charts, cards, forms, slides and reports. No workflows. No code. Just connect your data, add instructions, customize style, and publish and share with anyone or embed on your site.





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Launch Team





This is interesting. Generative UI instead of static text feels like the natural next step for LLM-based apps.
Thesys
@oleh_ilikchiiev thanks for the supprot!
Warp
Thesys
@ericdachen thanks for the support!
This looks super clean. Congrats on the launch, definitely going to try it with my next project.
Thesys
@sandy_liusy thanks. would love to see a demo
Great product guys! Good job on that.
Helps people ship 'smarter' AI easy.
Best of luck with the launch!
Thesys
@th_calafatidis thank you!