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Thesys

Generative UI API for AI-native applications

Product Overview

Thesys provides C1, a Generative UI API that enables AI applications to generate live, interactive UI components from natural language prompts. Instead of generating text descriptions, Thesys generates real dashboards, forms, charts, slides, and reports that users can directly interact with. The API supports real-time UI streaming, interactive components with tooltips and click actions, and is OpenAI API-compatible for easy integration. Built for teams building AI products that go beyond text responses.

Best For

Best for AI product teams wanting to generate interactive UI components programmatically

Key Features

  • Generative UI from natural language descriptions
  • Interactive charts, forms, and dashboards
  • Real-time UI streaming capability
  • OpenAI-compatible API interface
  • React SDK for frontend integration
  • Custom component support available
  • Clickable and interactive output components

Pros

  • +Produces real interactive UI not just text
  • +OpenAI API compatible for easy migration
  • +Streams UI progressively for responsiveness
  • +Familiar integration pattern for developers

Cons

  • -Requires development work to integrate
  • -API-only delivery no visual editor
  • -Premium pricing for production use

/// SPECS

  • Pricing:
    ProFree
  • Platform:
    Web / API
  • Paid plans
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