Overview

Most popular open-source framework for building AI chat and streaming applications.

Details

Pricing model
Open Source
Platform
JavaScript, TypeScript, React, Node.js
Privacy relevance
HIGH
Strengths
Open-source, streaming support, multi-model, tool calling, React hooks, generous free tier
Limitations
Requires Vercel ecosystem for optimal use; TypeScript/JavaScript only
Last reviewed
2026-08-25

Sources