Mastra

The TypeScript AI agent framework

GrowingOpen SourceLow lock-in

Pricing

Free tier

Flat rate

Adoption

Stable

License

Open Source

Data freshness

Overview

What is Mastra?

Mastra is a TypeScript-native AI agent and workflow framework. It provides typed tool definitions, agent memory, multi-agent orchestration, and built-in integrations for building production AI applications. Designed as the batteries-included TypeScript alternative to LangChain.

Key differentiator

The TypeScript AI agent framework

Capability profile

Strength Radar

TypeScript-firstTyped toolsAgent memoryWorkflowsMulti-agentBuilt-in integra…

Honest assessment

Strengths & Weaknesses

↑ Strengths

TypeScript-first

Typed tools

Agent memory

Workflows

Multi-agent

Built-in integrations

Observability

Fit analysis

Who is it for?

✓ Best for

TypeScript developers building production AI agents and workflows who want type safety and a clean DX

✕ Not a fit for

Python-first teams or those who prefer LangChain's ecosystem

Cost structure

Pricing

Free Tier

Available

Starts at

Free / Open Source

Model

Flat rate

Enterprise

None

Performance benchmarks

How Fast Is It?

Ecosystem

Relationships

Alternatives

Next step

Get Started with Mastra

Step-by-step setup guide with code examples and common gotchas.

View Setup Guide →