OpenAI Agents SDK

Build AI applications with text agents, voice agents (realtime), multi-agent workflows, tools, guardrails, and human-in-the-loop patterns.

Quick Start

npm install @openai/agents zod@4  # v0.4.0+ requires Zod 4 (breaking change)
npm install @openai/agents-realtime  # Voice agents
export OPENAI_API_KEY="your-key"

Breaking Change (v0.4.0): Zod 3 no longer supported. Upgrade to zod@4.

Runtimes: Node.js 22+, Deno, Bun, Cloudflare Workers (experimental)