Mastra

Open-source TypeScript framework for agents, workflows, memory, MCP, and evals, plus Mastra Platform with Studio, Server, and Memory Gateway.

Free accessFree plan

Paid fromTeamsPlatform Teams $250/month. 1M events, 250 CPU hours, 100GB egress, 6-month retention.

At a Glance

Mastra is an AI tool for Agent & RAG frameworks (category: Development & Code). Free access: Free plan. Paid from $250 (Teams). Documented: 4 plans with prices and limits.

Category: Agent & RAG frameworks
Paid from: $250 / month (Teams)
Free Option: Free plan
Plans: 4
Sources: 3 verified sources
Website: mastra.ai (opens in a new tab)

Category: Development & Code · Agent & RAG frameworks

Features

Mastra is an Apache 2.0 TypeScript framework for agents, workflows, memory, MCP, and evals. Mastra Platform adds Studio, Server, and Memory Gateway. That is not LangChain alone.

Platform Starter stays $0 with 100K events. Teams is $250/month. Enterprise is custom, self-hosted as a flat annual fee with no trace metering. There is no OSS seat.

Platform Starter $0, Teams $250 / month
TypeScript agents plus platform; not LangChain alone

Prices and plans

Tier	Price	Period	What you get
Open Source	free	Apache 2.0	Core framework Apache 2.0, no seat $. Agents, workflows, memory, MCP, evals locally or self-hosted. Not a platform seat. LLM, tool, and infrastructure costs stay with the user. No OSS subscription.
Starter	free	month	Platform Starter $0/month. 100K observability events, 24 CPU hours, 10GB egress, 15-day retention. Unlimited users, deployments, and projects. Overage examples: events $10/100K, CPU $0.35/hr, persistent server $100/project.
Teams	$250	month	Platform Teams $250/month. 1M events, 250 CPU hours, 100GB egress, 6-month retention. Multiple teams, SSO, SOC 2 docs. Overage examples: events $8/100K, CPU $0.25/hr. Gateway market rate + 5.5%.
Enterprise	contact sales	contract	Custom volume and retention. RBAC, audit logs, support and uptime SLAs, dedicated support engineer. Self-hosted Enterprise: one flat annual fee with no per-trace or per-seat metering. No list seat published.

Prices per vendor, excl. taxes/VAT where applicable.

Limits

Starter and Teams have unlimited users and deployments. Limits sit on events, CPU, egress, and retention. Self-hosted Enterprise bills a flat annual fee with no trace metering. There is no OSS seat.

Alternatives and similar tools to Mastra

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FAQ

Is Mastra available for free?

Yes. A permanently free plan is published, not a time-limited trial.

How is Mastra billed?

Prices in US dollars as listed by the vendor, without currency conversion. The open-source framework has no per-seat price. Platform seats are Starter $0 and Teams $250. Gateway at market rate + 5.5% and the persistent server at $100/project are overage or add-ons, not extra seats. Mastra is not LangChain alone, not CrewAI alone, and not Vercel AI SDK alone.

How much does Mastra cost?

The cheapest paid plan of Mastra is Teams at $250. 4 plans are documented in total, each with its price and limits.

Is Mastra currently available?

Mastra is still active: Active.

How we compare

We compare free access, paid entry, plan limits, features and the listed official sources. Unsourced figures stay marked as not published.

Only confirmed entries appear in the catalog. Prices, plans and limits come from listed official vendor pages. Missing figures stay marked as not published. Search results are ordered by Task match by default; category and task lists are alphabetical. Both can be switched to Free access first; neither is a quality ranking. The vendor page always wins.

Edited and checked by the AI Compare Ninja team

Sources

All details regarding plans, limits, and features are based on official vendor documentation and the primary sources verified below.

https://mastra.ai/
https://mastra.ai/pricing
https://mastra.ai/blog/announcing-mastra-platform

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