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 5th launch from Thesys. View more
OpenUI
Launched this week
The Open Standard for Generative UIMake your AI apps respond with interactive UI components like cards, tables, forms and charts instead of text. Streaming-native, token-efficient, and works with any AI model (GPT,Claude,M2.5) and agent framework like ai-sdk, Google ADK .
Free
Launch Team / Built With
AutonomyAI
That is so cool! LLM visuals tend to be really frustrating. super curious to see how you resolved this. Shared with our marketing team :)
Thesys
@orateur Hey Ossy, what do you mean by ACC testing?
Copus
An open standard for generative UI is exactly what the ecosystem needs. Having 10K+ developers already using this through Thesys gives it real momentum. Congrats on the launch!
Thesys
@handuo thanks for the support!
Kiara Translation
great idea!
Thesys
@ishiid thank you. excited to see what you build.
Kiara Translation
@zahle_khan wow - I will prepare it to show you
One good update, here! Congrats on the launch, @pgd!
Thesys
@pgd @neilverma thanks for the support
Trangram
creative domain name