LangGraph vs OpenAI Codex

A side-by-side comparison to help you choose the right tool.

LangGraph scores higher overall (87/100)

But the best choice depends on your specific needs. Compare below.

Pricing
Open-source project with no core license fee.
Free plan
Yes
Best for
Teams building serious agent workflows, Developers who need state and branching control, Builders who outgrew simple chains
Platforms
mac, windows, linux, api
API
Yes
Languages
en
Pricing
Access depends on OpenAI product plan or API usage; advanced agent access is concentrated in higher tiers and previews.
Free plan
Yes
Best for
Developers who want AI to work more directly on real code tasks, Teams exploring terminal-first coding agents, Engineers already invested in OpenAI's ecosystem
Platforms
web, mac, windows, linux, api
API
Yes
Languages
en

Choose LangGraph if:

  • You are Teams building serious agent workflows
  • You are Developers who need state and branching control
  • You are Builders who outgrew simple chains
  • You want to start free
Read LangGraph review →

Choose OpenAI Codex if:

  • You are Developers who want AI to work more directly on real code tasks
  • You are Teams exploring terminal-first coding agents
  • You are Engineers already invested in OpenAI's ecosystem
  • You want to start free
Read OpenAI Codex review →

FAQ

What is the difference between LangGraph and OpenAI Codex?
LangGraph is a graph-based framework for building stateful, multi-step agent workflows with more explicit control than plain prompt chaining. OpenAI Codex is openai's coding agent experience for writing, editing, understanding, and operating on codebases with a more agentic workflow.
Which is cheaper, LangGraph or OpenAI Codex?
LangGraph: Open-source project with no core license fee.. OpenAI Codex: Access depends on OpenAI product plan or API usage; advanced agent access is concentrated in higher tiers and previews.. LangGraph has a free plan. OpenAI Codex has a free plan.
Who is LangGraph best for?
LangGraph is best for Teams building serious agent workflows, Developers who need state and branching control, Builders who outgrew simple chains.
Who is OpenAI Codex best for?
OpenAI Codex is best for Developers who want AI to work more directly on real code tasks, Teams exploring terminal-first coding agents, Engineers already invested in OpenAI's ecosystem.