The Agent ExaminerIndependent Review Authority

Head to head

LangGraph Platform vs OpenAI Agents SDK

A side-by-side, sourced comparison. Facts come from each vendor’s own materials; scores are our editorial opinion applied by the same rubric to both.

Dimension
LangGraph Platform

Agent frameworks

4.3/5 editorial

OpenAI Agents SDK

Agent SDKs

3.8/5 editorial

PricingFramework is free (MIT). Managed: Developer $0/seat (up to 5k base traces/mo), Plus $39/seat/mo, Enterprise custom; usage add-ons include deployment runs at $0.005/run.source ↗The SDK is free and open source (MIT); you pay OpenAI (or the chosen provider's) API/token costs.source ↗
Hosting modelOpen-source framework self-hosted on your own infra; managed cloud deployment available; self-hosted and hybrid deployment gated to the Enterprise tier.source ↗A self-deployed library (Python, with a TypeScript version too) that runs in your own process and infrastructure.source ↗
Memory & stateDurable execution across restarts and cold starts, persistent checkpoints (payloads up to 25 MB), and semantic search for long-term memory, with per-subagent state isolation via threads.source ↗Sessions provide automatic conversation-history management across agent runs — a persistent working-context layer.source ↗
MCP supportNativesource ↗Nativesource ↗
IntegrationsDocs cite 1000+ integrations; tools are consumed as built-ins plus remote (HTTP) and local MCP servers via langchain-mcp-adapters.source ↗Built-in tools (web search, file search, computer use via the Responses API), function tools, MCP servers, agent handoffs, and tracing/observability.source ↗
Model providersMany via langchain-<provider> packages: OpenAI, Anthropic, Google (Vertex + GenAI), AWS, Ollama, Groq, Azure AI, Mistral, xAI, Cohere, DeepSeek, and more.source ↗OpenAI-first (uses the Responses API by default for OpenAI models) but provider-agnostic — supports 100+ other LLMs via LiteLLM and any-llm adapters.source ↗
Open sourceYessource ↗Yessource ↗
Developer experience(opinion)4/54/5
Pricing transparency & value(opinion)3/55/5
Scalability(opinion)5/53/5
Memory & state(opinion)5/53/5
Integrations(opinion)5/54/5
MCP nativeness(opinion)4/54/5

The balanced view

Editorial opinion, derived from the scorecard above

Where LangGraph Platform scores higher

In our rubric, LangGraph Platform rates ahead on scalability, memory & state, integrations.

Where OpenAI Agents SDK scores higher

In our rubric, OpenAI Agents SDK rates ahead on pricing transparency & value.

These two serve different needs — read the full dossiers for LangGraph Platform and OpenAI Agents SDK before deciding. Neither has been hands-on tested by us yet.

Product and company names are trademarks of their respective owners and are used here only to identify the products under discussion.