OpenUI

OpenUI

Thesys
PRISM

PRISM

Block Convey
+
+

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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.

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.

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Supported
On-Premises Supported
iPhone Supported
iPad Supported
Android Supported
Chromebook Supported

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

Audience

Developers building AI agents, copilots and chat apps who want agents to answer with interactive UI instead of text

Audience

AI developers and teams building, testing, and operating AI applications.

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Supported

Screenshots and Videos

No images available

Screenshots and Videos

Pricing

Free
Free Version Supported
Free Trial Not Supported

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

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Thesys
Founded: 2024
United States
www.openui.com

Company Information

Block Convey
Founded: 2023
United States
blockconvey.com/prism

Alternatives

Alternatives

Arize Phoenix

Arize Phoenix

Arize AI
LangGraph

LangGraph

LangChain
Flint AI

Flint AI

SandboxAQ

Categories

Categories

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
Vercel AI SDK Supported

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
Vercel AI SDK Not Supported
Claim OpenUI and update features and information
Claim OpenUI and update features and information
Claim PRISM and update features and information
Claim PRISM and update features and information