Mastra
Open-source TypeScript framework for building AI agents and workflows.
Updated April 2026
Overview
- Website
- mastra.ai
- Segment
- Agent Frameworks & SDKs
- Posture
- Single-Agent SDKs
Product overview
Mastra provides primitives for agents, workflows, RAG, memory, evals, and observability to build production AI applications in TypeScript.. Used by Fireworks AI, YC companies, PayPal, Adobe, Replit for agentic workflows, support automation, CAD, medical transcription. Distinct for its modern JS/TS stack, local playground, flexible deployment, and non-dev editor for tuning agents without code changes.
Revenue model
Open-source Apache 2.0 core framework (free); Mastra Platform free to start, pricing launching Q1 2026; enterprise custom support, SLAs, on-prem via contact sales.
Moat
- Proprietary Technology
- Open Source (implied switching costs)
- Scale Advantages
Mastra's key competitive moat is its open-source TypeScript framework that simplifies building complex multi-agent AI workflows with intuitive APIs for task orchestration, knowledge management, and memory retention, enabling rapid development without boilerplate.