OpenUI vs. Surf.new Comparison


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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 Surf.new is a free, open-source playground for testing and using AI agents that can browse the web. These agents surf the web and interact with webpages similarly to how a human would, making tasks like automation and web research easy and intuitive. Whether you're a developer evaluating web agents for production use or someone looking to automate repetitive tasks like checking flights, scraping product information, or booking reservations, Surf.new provides an accessible environment to quickly experiment and see how web agents perform. Key Features: Swap between AI Agent Frameworks with a button: Supports Browser-use, an experimental Claude Computer-use-based agent, and integrates smoothly with LangChain—allowing easy experimentation with different approaches. Diverse AI Model Compatibility: Compatible with popular models including Claude 3.7, DeepSeek R1, OpenAI models, Gemini 2.0 Flash, and others—giving you the flexibility to choose what works best.
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 Developers, AI Researchers, Automation Enthusiasts, Web Scrapers, Data Analysts, Tech Hobbyists, Open-Source Contributors
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 Not Supported
API Offers API Not Supported	API Offers API Not Supported
Screenshots and Videos No images available	Screenshots and Videos No images available
Pricing Free Free Version Supported Free Trial Not Supported	Pricing No information available. 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 Not Supported Webinars Not Supported Live Online Not Supported In Person Not Supported
Company Information Thesys Founded: 2024 United States www.openui.com	Company Information Steel.dev Founded: 2024 United States surf.new
Alternatives LangChain	Alternatives AgentSea
Crewship	Agent S Simular
Agent Communication Protocol (ACP) The Linux Foundation	HumanLayer
LangGraph LangChain	Starizon AI
CopilotKit View All	Notte View All
Categories AI Development Supported Development Frameworks Supported	Categories Agentic AI Supported AI Agents Supported AI Web Scrapers Supported

Integrations A2UI Supported AG-UI Supported Agent Development Kit (ADK) Supported Claude Sonnet 3.7 Not Supported CopilotKit Supported DeepSeek R1 Not Supported GPT-4o Not Supported Gemini 2.0 Flash Not Supported LangChain Supported LangGraph Supported Mastra AI Supported Ollama Not Supported OpenAI Not Supported Vercel AI SDK Supported Show More Integrations View All 8 Integrations	Integrations A2UI Not Supported AG-UI Not Supported Agent Development Kit (ADK) Not Supported Claude Sonnet 3.7 Supported CopilotKit Not Supported DeepSeek R1 Supported GPT-4o Supported Gemini 2.0 Flash Supported LangChain Not Supported LangGraph Not Supported Mastra AI Not Supported Ollama Supported OpenAI Supported Vercel AI SDK Not Supported Show More Integrations View All 6 Integrations
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