Thesys

Thesys

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Thesys is a developer platform that provides frontend infrastructure for AI products, enabling automated, real-time, interactive UIs through its Generative UI API (C1) that transforms LLM responses into dynamic interface components.
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Thesys

Product Information

Updated:Oct 11, 2025

Thesys Monthly Traffic Trends

Thesys received 18.2k visits last month, demonstrating a Slight Decline of -11.4%. Based on our analysis, this trend aligns with typical market dynamics in the AI tools sector.
View history traffic

What is Thesys

Thesys is building the UI infrastructure for the builder economy, specifically designed for the era of AI-powered applications. The company's flagship product, C1 Generative UI API, addresses the challenge of creating interfaces for AI products that evolve faster than traditional frontends can support. Unlike conventional UI design tools that generate static mockups or code before deployment, Thesys provides a production-ready interface layer that adapts to users and tech stacks in real-time.

Key Features of Thesys

Thesys is a developer platform that provides frontend infrastructure for AI products through its C1 Generative UI API. It enables automated, real-time, interactive UIs that adapt to user needs and contexts without requiring manual coding for every scenario. The platform transforms LLM responses into dynamic UI components like charts, forms, and tables, working seamlessly with various LLM providers while supporting customization to match company design systems.
Real-time UI Generation: Automatically generates and displays UI components while the application is running, adapting to each user's context and needs
LLM Integration: Works with multiple LLM providers including OpenAI and Anthropic, serving as an API middleware that augments LLM responses with interactive UI elements
Customizable Design System: Built on Crayon's UI library, allowing full customization of themes, tokens, and components to match company branding
React SDK Integration: Provides a React SDK for easy implementation and rendering of generated UI components in existing applications

Use Cases of Thesys

AI-Powered Chatbots: Creating sophisticated chatbot interfaces that can display dynamic forms, charts, and interactive elements based on user interactions
Data Visualization Tools: Building adaptive dashboards and reporting tools that generate appropriate charts and visualizations based on data and user queries
AI Copilots: Developing intelligent assistant interfaces that can adapt their UI to different tasks and user needs in real-time

Pros

Reduces development time and costs by eliminating need for manual UI coding
Provides flexibility through multiple LLM provider support
Enables creation of more engaging and context-aware user interfaces

Cons

Relatively new platform (joined in January 2024)
May require learning new development paradigms
Dependency on third-party LLM providers

How to Use Thesys

Sign up for Thesys: Visit thesys.dev and create an account to get your API key
Install dependencies: Install the required packages including the GenUI SDK for React integration
Configure API client: Create an OpenAI client with Thesys endpoint using your API key and the base URL 'https://api.thesys.dev/v1/embed'
Integrate C1 API: Use the client to make API requests to C1, which will return UI specifications instead of plain text responses
Implement frontend: Use the GenUI SDK React framework to render the dynamic UI components returned by the C1 API
Customize UI (optional): Customize the UI components using Crayon's UI library to match your company's design system
Test the implementation: Try out the Generative UI capabilities in their playground to ensure everything works as expected
Deploy: Deploy your application with the integrated Thesys Generative UI functionality
Monitor and scale: Use the dashboard to manage API keys, monitor usage, and configure integrations as needed

Thesys FAQs

Thesys is a developer platform that provides frontend infrastructure for AI products through their C1 Generative UI API, which turns LLM responses into live, adaptive user interfaces in real-time.

Thesys Video

Analytics of Thesys Website

Thesys Traffic & Rankings
18.2K
Monthly Visits
#1315437
Global Rank
#3191
Category Rank
Traffic Trends: Jan 2025-Jun 2025
Thesys User Insights
00:00:31
Avg. Visit Duration
2.12
Pages Per Visit
47.42%
User Bounce Rate
Top Regions of Thesys

  1. IN: 57.88%

  2. US: 25.83%

  3. DE: 5.88%

  4. GB: 4.84%

  5. CA: 4.4%

  6. Others: 1.18%