Both sit in the framework layer with similar commercial terms, so the practical split is language: LangGraph targets Python and Mastra targets TypeScript.
Graph-shaped orchestration with checkpointing, interrupts and human-in-the-loop.
TypeScript agent framework with workflows, memory, evals and a local playground.
| LangGraph | Mastra | |
|---|---|---|
| Licence | Open source | Open source |
| Pricing | open source | open source |
| Self-hostable | Yes | Yes |
| Languages | Python, TypeScript | TypeScript |
| Install | pip install langgraph | npm install @mastra/core |
| Keys required | None | None |
Both sit in the framework layer with similar commercial terms, so the practical split is language: LangGraph targets Python and Mastra targets TypeScript. LangGraph: Graph-shaped orchestration with checkpointing, interrupts and human-in-the-loop. Mastra: TypeScript agent framework with workflows, memory, evals and a local playground.
LangGraph can run on your own infrastructure. Mastra can run on your own infrastructure.
LangGraph is open source (open source). Mastra is open source (open source).
Every page here answers to Accept: text/markdown and returns the same content at roughly a tenth the tokens. No separate site, no toggle — same URL.
curl -s -H "Accept: text/markdown" https://newagent.build/compare/langgraph-vs-mastra