The Agent ExaminerIndependent Review Authority

Head to head

Mastra vs LangGraph Platform

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
Mastra

Agent frameworks

4.2/5 editorial

LangGraph Platform

Agent frameworks

4.3/5 editorial

PricingSelf-hosted is free (Apache-2.0). Cloud Starter $0/mo with usage metering, Cloud Teams $250/mo, Enterprise custom; add-ons include memory at $10/1M tokens.source ↗Framework 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 ↗
Hosting modelDual — self-host the open-source TypeScript library on your own infra, or use managed Mastra Cloud.source ↗Open-source framework self-hosted on your own infra; managed cloud deployment available; self-hosted and hybrid deployment gated to the Enterprise tier.source ↗
Memory & stateMessage history, working memory (persistent structured user data), semantic recall (embedding-based retrieval), and observational memory; requires a storage provider (PostgreSQL, LibSQL, or Redis).source ↗Durable 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 ↗
MCP supportNativesource ↗Nativesource ↗
IntegrationsTools and MCP servers, plus framework adapters for Next.js, React, Astro, Express, SvelteKit, and Hono, and data-source connectors.source ↗Docs cite 1000+ integrations; tools are consumed as built-ins plus remote (HTTP) and local MCP servers via langchain-mcp-adapters.source ↗
Model providersA model router to 90+ providers via a single provider/model API — OpenAI, Anthropic, Google, DeepSeek, Groq, Mistral, xAI, plus gateways like OpenRouter and any Vercel AI SDK model.source ↗Many via langchain-<provider> packages: OpenAI, Anthropic, Google (Vertex + GenAI), AWS, Ollama, Groq, Azure AI, Mistral, xAI, Cohere, DeepSeek, and more.source ↗
Open sourceYessource ↗Yessource ↗
Developer experience(opinion)5/54/5
Pricing transparency & value(opinion)4/53/5
Scalability(opinion)4/55/5
Memory & state(opinion)4/55/5
Integrations(opinion)3/55/5
MCP nativeness(opinion)5/54/5

The balanced view

Editorial opinion, derived from the scorecard above

Where Mastra scores higher

In our rubric, Mastra rates ahead on developer experience, pricing transparency & value, mcp nativeness.

Where LangGraph Platform scores higher

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

These two serve different needs — read the full dossiers for Mastra and LangGraph Platform 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.