LangGraph vs OpenAI Agents SDK

LangGraph is free, with no paid plan attached. OpenAI Agents SDK is free, with no paid plan attached. Both are listed under Agent Frameworks (Developers), so this is a like-for-like comparison. Neither is ranked above the other — Flocci carries no sponsored placement.

LangGraph vs OpenAI Agents SDK — straight answers

LangGraph vs OpenAI Agents SDK: what is the difference?

LangGraph is free, with no paid plan attached and is listed for build stateful, multi-agent apps as graphs. OpenAI Agents SDK is free, with no paid plan attached and is listed for lightweight agent orchestration from OpenAI. Both sit in Agent Frameworks (Developers).

Is LangGraph or OpenAI Agents SDK cheaper to start with?

Neither — LangGraph and OpenAI Agents SDK are both free, so the choice comes down to capability rather than cost. Both entries list what they uniquely do above.

Which should I choose, LangGraph or OpenAI Agents SDK?

Choose LangGraph if you need build stateful, multi-agent apps as graphs; choose OpenAI Agents SDK if you need lightweight agent orchestration from OpenAI. Flocci AI Tools does not rank one above the other — it shows both feature sets side by side and lets the requirement decide.

LangGraph compared with OpenAI Agents SDK: pricing tier, category, listed capabilities and links.
 LangGraphOpenAI Agents SDK
Pricing tierFreeFree
Free to startYesYes
CategoryAI Agents & AutomationAI Agents & Automation
TypeAgent Frameworks (Developers)Agent Frameworks (Developers)
Listed capabilities
  • Build stateful, multi-agent apps as graphs
  • Human-in-the-loop and durable execution
  • Works with any LLM
  • Open-source with a hosted platform
  • Lightweight agent orchestration from OpenAI
  • Agent handoffs, guardrails and tracing
  • Tool and function calling built in
  • Open-source, pay only for model usage
Tagsframework, langchain, agents, orchestration, graph, open-sourceframework, openai, agents, handoffs, tools, open-source
Websitelangchain.comopenai.github.io
Full pageLangGraph details →OpenAI Agents SDK details →
AlternativesLangGraph alternatives →OpenAI Agents SDK alternatives →

Agno

Agent Frameworks (Developers)
free
  • Open-source (Apache-2.0) Python framework, 41.7k GitHub stars
  • AgentOS: FastAPI-based production runtime for deploying agents
  • Control-plane UI for monitoring live agent systems across clouds

AWS Strands Agents

Agent Frameworks (Developers)
free
  • Open-source (6,800+ stars) Python and TypeScript SDK from AWS
  • Steering handlers/hooks that catch agent mistakes before execution
  • Native Bedrock and AWS AgentCore integration, plus any-LLM support

CAMEL

Agent Frameworks (Developers)
freeNew
  • Open-source multi-agent framework focused on scaling agent societies and role-playing
  • Data generation and simulation tooling
  • Apache-licensed

Claude Agent SDK

Agent Frameworks (Developers)
freeNew
  • MIT-licensed Python and TypeScript SDKs exposing the agent loop that powers Claude Code
  • Built-in tools for files, shell and MCP with custom tool support
  • Bring an Anthropic API key; the SDK itself costs nothing

Cloudflare Agents SDK

Agent Frameworks (Developers)
freeNew
  • Framework for building and deploying stateful AI agents on Cloudflare Workers
  • Built-in state, scheduling, WebSockets and MCP support
  • SDK is open source; runs on Cloudflare's free tier to start

DSPy

Agent Frameworks (Developers)
free
  • Open-source (MIT) framework from Stanford NLP, 37k+ GitHub stars
  • Compiles/optimizes prompts automatically against metrics instead of manual prompt tuning
  • Production use at Databricks, Shopify, Dropbox, AWS; Shopify reports ~550x cost reduction