Mastra vs LangGraph
Side-by-side, using only facts verified on each official site (2026-11-05). Rankings are never paid; some links are affiliate links.
 Mastra |  LangGraph | |
|---|---|---|
| What it does | Ship AI agents that reason, remember, and act in TypeScript. Mastra provides memory, tools, MCP, and observability to go from prototype to production. | Control agent workflows with LangGraph: durable execution, memory, streaming, and human-in-the-loop. |
| Category | Agent frameworks | Agent frameworks |
| Pricing (as stated) | See official pricing → | Free tier See official pricing → |
| Free plan | Yes | Yes |
| Open source | Yes · repo | Yes · repo |
| Verified | 2026-11-05 | 2026-11-05 |
| Details | Mastra listing → | LangGraph listing → |
| Website | Visit Mastra ↗ | Visit LangGraph ↗ |
Which should you pick?
Pick Mastra if…
No verified differentiator on price, free plan or licence — compare features on the vendor sites.
Pick LangGraph if…
- you want public, self-serve pricing
Both are listed under Agent frameworks. Prices change — confirm on the vendor sites.