OpenUIThesys
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PRISMBlock Convey
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Related Products
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About
OpenUI is an open-source (MIT) generative UI framework for AI agents. Instead of plain text, your agent writes OpenUI Lang, a compact, streaming-first language, and OpenUI renders it progressively as real UI: charts, tables, forms, cards and layouts. Rendering is safe by default: the model can only use components you register and no generated code is executed, so your design system stays in control. A framework-agnostic core powers first-party runtimes for React, Vue, Svelte and Angular, with ready-made chat interfaces and integrations for LangChain/LangGraph, the Vercel AI SDK, Mastra, Google ADK, assistant-ui, CopilotKit, AG-UI and A2UI. In its published benchmark, OpenUI Lang uses about half the tokens of equivalent JSON UI formats, so interfaces stream faster and cost less.
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About
PRISM is an AI agent observability and evaluation platform for teams building and operating AI applications. It traces model calls, tools, retrieval, sessions, and outcomes, then helps teams test scenarios, evaluate results, identify recurring failures, and validate improvements. Teams can connect applications through its SDK and API, OpenTelemetry, and supported frameworks such as LangChain.
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Platforms Supported
Windows
Supported
Mac
Supported
Linux
Supported
Cloud
Supported
On-Premises
Supported
iPhone
Supported
iPad
Supported
Android
Supported
Chromebook
Supported
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Developers building AI agents, copilots and chat apps who want agents to answer with interactive UI instead of text
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Audience
AI developers and teams building, testing, and operating AI applications.
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Not Supported
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API
Offers API
Supported
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Screenshots and VideosNo images available
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Screenshots and Videos |
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Pricing
Free
Free Version
Supported
Free Trial
Not Supported
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Pricing
$20/month
Free is $0/month. Builder is $20/month, Growth is $50/month, and Managed is $300/month. Enterprise pricing is custom. Purchased-credit top-ups have a minimum of 100 credits for $10.
Free Version
Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationThesys
Founded: 2024
United States
www.openui.com
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Company InformationBlock Convey
Founded: 2023
United States
blockconvey.com/prism
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Alternatives |
Alternatives |
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Categories |
Categories |
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Integrations
LangChain
Supported
A2UI
Supported
AG-UI
Supported
Agent Development Kit (ADK)
Supported
Anthropic
Not Supported
CopilotKit
Supported
LangGraph
Supported
Mastra AI
Supported
OpenAI
Not Supported
OpenTelemetry
Not Supported
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Integrations
LangChain
Supported
A2UI
Not Supported
AG-UI
Not Supported
Agent Development Kit (ADK)
Not Supported
Anthropic
Supported
CopilotKit
Not Supported
LangGraph
Not Supported
Mastra AI
Not Supported
OpenAI
Supported
OpenTelemetry
Supported
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