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AI Tool
Agent Builder by Thesys Review
Agent Builder by Thesys is a frontend infrastructure tool for creating dynamic UIs.
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aicodeimage-generation
1Launched publicly on February 10, 2026.
2Utilizes the C1 Generative UI API for interactive UI components.
3Offers a freemium pricing model with usage-based charges.
4Supports integration with JavaScript and Python.
overview
What is Agent Builder by Thesys?
Agent Builder by Thesys is a no-code tool developed by Thesys that enables developers and AI-native teams to create interactive user interfaces for AI products. It generates real-time UIs from large language model (LLM) responses, allowing for rapid deployment of custom solutions.
quick facts
Quick Facts
| Attribute | Value | |-----------|-------| | Developer | Thesys | | Pricing | Freemium | | Platforms | Web | | API Available | Yes | | Integrations | C1 Generative UI API | | Languages | JavaScript, Python |
features
Key Features of Agent Builder by Thesys
Agent Builder by Thesys provides tools for generating interactive UI elements such as charts, forms, and reports, all without coding. Users can customize the UI appearance and behavior using natural language instructions.
- 1Generative UI for real-time interaction
- 2No-code publishing process
- 3Customization of themes and responses
- 4Integration with various data sources
- 5Support for embedding and standalone applications
use cases
Who Should Use Agent Builder by Thesys?
Agent Builder by Thesys is aimed at AI-native teams, developers, product teams, and enterprises looking to streamline the development of interactive AI experiences.
- 1AI assistants for customer support
- 2E-commerce product recommendation agents
- 3Data analytics agents providing visual insights
- 4Customizable internal tools for businesses
- 5Rapid testing and deployment of AI solutions
pricing
Agent Builder by Thesys Pricing & Plans
Agent Builder by Thesys operates on a freemium model, allowing users to start for free. Users are charged based on generated outputs (charts, cards, forms) with no fixed pricing plans detailed.
- 1Freemium: Free tier available
- 2Usage-based pricing for generated outputs
competitors
Agent Builder by Thesys vs Competitors
Agent Builder by Thesys specializes in frontend infrastructure for interactive UIs, differentiating itself from competitors in specific capabilities.
1
Bolt.new↗
Generates complete full-stack applications from natural language prompts with in-browser execution and integrated deployment.
While Bolt.new focuses on full-stack application generation (frontend, backend, database), Agent Builder by Thesys specializes in frontend infrastructure for dynamic, real-time UIs. Bolt.new is better for rapid prototyping entire applications, whereas Agent Builder targets developers building generative UI components.
2
v0 by Vercel↗
AI-powered generator that creates high-quality React UI components from prompts with modern frontend stack support.
Both tools focus on frontend UI generation, but v0 specializes in component-level React scaffolding while Agent Builder by Thesys provides a generative UI API for building dynamic, real-time interfaces. v0 is component-focused; Agent Builder is API-driven for real-time applications.
3
Lovable↗
Generates production-ready full-stack applications with GitHub integration, enabling code ownership and team collaboration.
Lovable generates complete applications with code export and GitHub integration, while Agent Builder by Thesys provides frontend infrastructure specifically for generative UIs. Lovable suits teams wanting full application ownership; Agent Builder targets developers building real-time, AI-driven interfaces.
4
Builder.io↗
Combines visual editing with real production frameworks and Figma integration for enterprise-scale visual development.
Builder.io emphasizes visual development at scale with designer-developer collaboration, while Agent Builder by Thesys focuses on generative UI APIs for dynamic, real-time interfaces. Builder.io is better for visual-first teams; Agent Builder suits developers building AI-powered interactive UIs.
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Frequently Asked Questions
+What is Agent Builder by Thesys?
Agent Builder by Thesys is a no-code tool developed by Thesys that enables developers and AI-native teams to create interactive user interfaces for AI products. It generates real-time UIs from large language model (LLM) responses, allowing for rapid deployment of custom solutions.
+Is Agent Builder by Thesys free?
Agent Builder by Thesys operates on a freemium model, allowing users to start for free and charges based on generated outputs.
+What are the main features of Agent Builder by Thesys?
Agent Builder by Thesys provides generative UI elements, no-code publishing, theme customization, data source integration, and support for standalone applications.
+Who should use Agent Builder by Thesys?
Agent Builder by Thesys is designed for AI-native teams, developers, product teams, and enterprises interested in creating interactive AI experiences.
+How does Agent Builder by Thesys compare to alternatives?
Agent Builder by Thesys focuses on generating interactive UIs, whereas many alternatives might emphasize full application development or specific frontend component generation.