openai.github.io · Agent Frameworks
Lightweight framework for multiagent workflows with handoffs, guardrails and built in tracing.
OpenAI Agents SDK is one of 18 agent framework tools on Drydock. See all agent framework tools or how we check facts.
// guides
Is LangChain free for commercial use? Yes. LangChain and LangGraph are MIT licensed. Here is what that allows, where costs start, and the one server that isn't MIT.
LangChain vs CrewAI compared with tested code: one agent loop with middleware vs a crew of role based agents. Models, MCP, pricing and using both together.
How to build an AI agent for a trade business: missed call texts, photo quotes, booking, invoices and reviews, wired to Jobber, Housecall Pro or ServiceTitan.
What is the most popular AI agent framework in 2026? LangChain leads developer surveys, PyPI downloads and GitHub stars. Here are the numbers and what they hide.
The Vercel AI SDK is a free, open source TypeScript toolkit for LLM apps and agents. AI SDK 7 changes, a tested ToolLoopAgent, streaming UI, MCP and costs.
LangChain vs LangGraph, compared with tested code. Start with LangChain's create_agent, then use LangGraph when you need explicit steps and durable state.
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