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Mastra review (2026): pricing, features and alternatives
AI agent framework · mastra.ai
Mastra at a glance
Mastra is an AI agent framework that is free and open source and paid plans from $250/mo, best for typeScript developers building agents into web apps.
- What it is
- Open-source TypeScript framework for AI agents and workflows with memory, tools, evals and a local Studio.
- What it costs
- Free (open source); Cloud Teams $250/mo. Free framework; usage-based cloud plans for hosting and observability. Free Mastra Cloud Starter
- Who it's for
- TypeScript developers building agents into web apps · Developers
- How it compares
- All 8 AI agent frameworks on Klyvoo are free to start
- Pricing checked
- October 2026 on mastra.ai
Our verdict
Mastra is one of the most complete options for TypeScript teams, with built-in memory, workflows, evals and integrations for Next.js, Express and Hono. It does not support Python and some enterprise features sit under a separate license.
Pros
- Native TypeScript with Next.js, React, Express and Hono integrations
- Built-in memory, workflows, evals and observability
- Free cloud tier with unlimited users and deployments
Cons
- TypeScript/JavaScript only; needs Node.js 22.18 or later
- Enterprise features are not Apache licensed
- Cloud usage is metered by events and CPU hours
Mastra pricing
| Option | Price | What you get |
|---|---|---|
| Self-hosted (open source) | Free | Agents, workflows and memory; host anywhere (Apache 2.0) |
| Mastra Cloud Starter | Free | 100K observability events, 24 CPU hours, unlimited users and deployments |
| Mastra Cloud Teams | $250/month | 1M observability events, 250 CPU hours, 6-month retention, SSO |
| Mastra Cloud Enterprise | Custom | Custom volume and retention, RBAC, audit logs, uptime SLAs |
https://mastra.ai/pricing
Mastra alternatives
| Agent | Starting price | Pricing model | Best for | Compare |
|---|---|---|---|---|
| Mastra | Free (open source); Cloud Teams $250/mo | Free framework; usage-based cloud plans for hosting and observability | TypeScript developers building agents into web apps | This page |
| LangGraph | Free (open source) | Free; pay for model API usage and optional LangSmith hosting | Stateful long-running agents with fine control | LangGraph review |
| CrewAI | Free (open source) | Free; pay for model API usage and optional CrewAI AMP plan | Role-based multi-agent teams and workflows | CrewAI review |
| OpenAI Agents SDK | Free (open source) | Free; pay for model API usage | Lightweight multi-agent apps with handoffs | OpenAI Agents SDK review |
| Claude Agent SDK | Free SDK; pay for Claude API use | Free SDK; pay for Claude API usage | Agents that read files, run commands and edit code | Claude Agent SDK review |
| Microsoft Agent Framework | Free (open source) | Free; pay for model API usage and any Azure hosting | .NET and Python teams building production agents | Microsoft Agent Framework review |
Mastra FAQ
Is Mastra free?
Yes. The core framework is open source under Apache 2.0. Mastra Cloud has a free Starter tier and a Teams plan at $250/month.
What languages does Mastra support?
TypeScript and JavaScript on Node.js 22.18 or later.
What is Mastra best for?
Adding agents and workflows to TypeScript web apps, especially with Next.js or other Node.js frameworks.
What are the best Mastra alternatives?
LangGraph, OpenAI Agents SDK, Claude Agent SDK, Google Agent Development Kit and LlamaIndex.