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What is OpenUI?

OpenUI is an open-source generative user interface framework for AI agents, licensed under the MIT agreement. Instead of merely using basic text, this framework employs OpenUI Lang, a specialized language tailored for progressive streaming, which is then transformed into interactive components like charts, tables, forms, cards, and layouts by OpenUI. The rendering process is designed with security in mind, limiting the model to only the components you've registered, which ensures that no generated code is executed, thus preserving control over your design system. Its foundational architecture is agnostic to frameworks, accommodating first-party runtimes for popular libraries such as React, Vue, Svelte, and Angular, while also offering pre-built chat interfaces and integrations with a variety of tools like LangChain/LangGraph, the Vercel AI SDK, Mastra, Google ADK, assistant-ui, CopilotKit, AG-UI, and A2UI. OpenUI Lang is noted for its efficiency, reportedly using about half the tokens compared to traditional JSON UI formats, which facilitates faster streaming of interfaces at a lower cost. This remarkable efficiency not only improves performance but also positions OpenUI as a smart and economical choice for developers eager to build advanced user interfaces with speed and ease. Ultimately, the combination of security, flexibility, and cost-effectiveness makes OpenUI a compelling choice for modern application development.

What is LangSmith?

In software development, unforeseen results frequently arise, and having complete visibility into the entire call sequence allows developers to accurately identify the sources of errors and anomalies in real-time. By leveraging unit testing, software engineering plays a crucial role in delivering efficient solutions that are ready for production. Tailored specifically for large language model (LLM) applications, LangSmith provides similar functionalities, allowing users to swiftly create test datasets, run their applications, and assess the outcomes without leaving the platform. This tool is designed to deliver vital observability for critical applications with minimal coding requirements. LangSmith aims to empower developers by simplifying the complexities associated with LLMs, and our mission extends beyond merely providing tools; we strive to foster dependable best practices for developers. As you build and deploy LLM applications, you can rely on comprehensive usage statistics that encompass feedback collection, trace filtering, performance measurement, dataset curation, chain efficiency comparisons, AI-assisted evaluations, and adherence to industry-leading practices, all aimed at refining your development workflow. This all-encompassing strategy ensures that developers are fully prepared to tackle the challenges presented by LLM integrations while continuously improving their processes. With LangSmith, you can enhance your development experience and achieve greater success in your projects.

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Integrations Supported

LangChain
LangGraph
A2UI
AG-UI
Agent Development Kit (ADK)
CopilotKit
Mastra AI
Vercel AI SDK

Integrations Supported

LangChain
LangGraph
AgentForge
Azure Marketplace
Disco.dev
Noma
TierZero
Voker
ZenML

API Availability

API Availability

Pricing Information

Free
Free Version

Pricing Information

Pricing not provided

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS

Customer Service / Support

Web-Based Support

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

Thesys

Date Founded

2024

Company Location

United States

Company Website

www.openui.com

Company Facts

Organization Name

LangChain

Company Location

United States

Company Website

www.langchain.com/langsmith

Categories and Features

AI Development

Not specified

Categories and Features

AI Development

Not specified

Context Engineering

Not specified

Debugging

Not specified

Software Testing

Not specified

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