---
title: "LangGraph vs Mastra: Which is Better in 2026? | App Stack Builder"
description: "LangGraph vs Mastra compared for 2026 — pricing, free tiers, features, pros & cons. See which agent framework tool is the better fit for your startup."
source: https://appstackbuilder.com/compare/langgraph-vs-mastra
retrieved: 2026-09-12
---

Agent Framework

# LangGraph vs Mastra: Which is Better in 2026?

Choosing between [LangGraph](https://appstackbuilder.com/tools/langgraph) and [Mastra](https://appstackbuilder.com/tools/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

|                | LangGraph                 | Mastra                    |
| -------------- | ------------------------- | ------------------------- |
| Category       | Agent Framework           | Agent Framework           |
| Pricing        | Free                      | Free                      |
| Starting price | Free tier available       | Free tier available       |
| Free tier      | ✓                         | ✓                         |
| Rating         | 4.5                       | 4.6                       |
| Best for       | Agent Framework — ai, llm | Agent Framework — ai, llm |

## Pros & Cons

![LangGraph](https://www.google.com/s2/favicons?domain=langchain.com&sz=128)

[LangGraph](https://appstackbuilder.com/tools/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](https://www.google.com/s2/favicons?domain=mastra.ai&sz=128)

[Mastra](https://appstackbuilder.com/tools/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

## Key Features Compared

### LangGraph

* ✓Free open-source library
* ✓Stateful agent graphs
* ✓Human-in-the-loop
* ✓Durable execution

### Mastra

* ✓TypeScript-native agents & workflows
* ✓Memory & semantic recall
* ✓Evals & observability
* ✓MCP tool sharing
* ✓3,300+ models via providers

### Choose LangGraph if…

* ✓You want a free tier to validate before paying.
* ✓Fine-grained agent control
* ✓Great for complex multi-step flows
* ✓Open-source
[LangGraph review & pricing ](https://appstackbuilder.com/tools/langgraph)

### Choose Mastra if…

* ✓You want a free tier to validate before paying.
* ✓Best-in-class for TypeScript teams
* ✓Batteries-included (agents, workflows, memory, evals)
* ✓From the experienced Gatsby team
[Mastra review & pricing ](https://appstackbuilder.com/tools/mastra)

## 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.

Which is rated higher, LangGraph or Mastra?⌄

In our catalog, LangGraph rates 4.5 out of 5 and Mastra rates 4.6 out of 5, so Mastra has a slight edge on reviews.

See more options in our guide to the [best agent framework tools for startups](https://appstackbuilder.com/categories/agent-framework).

## Still not sure which to pick?

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