Agent Framework

LangGraph vs Mastra: Which is Better in 2026?

Choosing between LangGraph and Mastra? Both are popular agent framework tools. Below we compare them on pricing, free tiers, features, and pros & cons so you can pick the right fit for your stack.

Quick verdict

Both LangGraph and Mastra are strong agent framework choices. The right pick comes down to your specific feature needs, existing stack, and team preferences.

LangGraph vs Mastra — Side by Side

LangGraphMastra
CategoryAgent FrameworkAgent Framework
PricingFreeFree
Starting priceFree tier availableFree tier available
Free tier
Best forAgent Framework — ai, llmAgent Framework — ai, llm

Pros & Cons

LangGraph
LangGraph
  • Fine-grained agent control
  • Great for complex multi-step flows
  • Open-source
  • Integrates with LangChain & LangSmith
  • Steeper learning curve
  • Newer than core LangChain
Mastra
Mastra
  • Best-in-class for TypeScript teams
  • Batteries-included (agents, workflows, memory, evals)
  • From the experienced Gatsby team
  • Strong observability & MCP support
  • Younger than Python frameworks
  • TypeScript-only ecosystem

Choose LangGraph if…

you want a free tier to start, and LangGraph Open-source library for building stateful, multi-step agent workflows as graphs — with a managed platform option.

LangGraph review & pricing

Choose Mastra if…

you want a free tier to start, and Mastra Open-source TypeScript agent framework from the Gatsby team — agents, workflows, memory, and observability in one modern stack.

Mastra review & pricing

Frequently Asked Questions

Is LangGraph better than Mastra?⌄

Both LangGraph and Mastra are strong agent framework choices. The right pick comes down to your specific feature needs, existing stack, and team preferences.

What is the difference between LangGraph and Mastra?⌄

LangGraph — Open-source library for building stateful, multi-step agent workflows as graphs — with a managed platform option. Mastra — Open-source TypeScript agent framework from the Gatsby team — agents, workflows, memory, and observability in one modern stack. Both are agent framework tools; the comparison table above breaks down pricing, free tiers, and what each is best for.

LangGraph vs Mastra: which is cheaper?⌄

LangGraph pricing: Free. Mastra pricing: Free. Confirm current pricing on each tool's official site, as plans change.

See more options in our guide to the best agent framework tools for startups.

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