Vercel AI SDK

TypeScript toolkit for building AI apps and agents across model providers.

Category
Agent Frameworks
Best for
AI features in Next.js/React apps
Pricing
free
Last verified
2026-10-15

Visit Vercel AI SDK →

More in Agent Frameworks

LangGraph

Agent Frameworksfree

Framework from LangChain for building stateful, multi-step agent graphs.

Best for: Controllable production agents

CrewAI

Agent Frameworksfreemium

Open-source multi-agent framework plus a paid hosted platform.

Best for: Multi-agent teams quickly

OpenAI Agents SDK

Agent Frameworksfree

Lightweight SDK for building agents with tools, handoffs and guardrails.

Best for: Agents on OpenAI models

Mastra

Agent Frameworksfree

TypeScript framework for AI agents, workflows and RAG.

Best for: JS/TS developers building agents

Agent-Native

Agent Frameworksfree

Builder.io's open-source TypeScript framework for agentic apps where agent and UI share actions, data and state.

Best for: Building agentic apps with a real UI

All Agent Frameworks →