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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.

Category: Development & Code · Coding assistants & IDEs

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. An OSS seat is not invented.

Prices and plans

TierPricePeriodWhat you get
Open SourcefreeApache 2.0Core 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 invented.
StarterfreemonthPlatform 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$250monthPlatform 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%.
Enterprisecontact salescontractCustom 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.

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. No OSS seat invented.

Alternatives and similar tools to Mastra

From the same subcategory “Coding assistants & IDEs”, continuing alphabetically from this entry.

M
Maximem SynapPersistent memory and context layer for AI agents with retrieval modes, compaction, and A2A. Not Mem0 alone.StarterMicrosoft Copilot StudioMicrosoft's low-code platform for building and customizing custom AI agents.Pay-as-you-go
M
Millisecondsdecision-machine-1: classify, extract, and decide through an API. Text or image in, structured values out. Not a chat model.Pay as you goMuse CodeMeta's coding agent for terminal and CI on Muse Spark; billed via API tokens or a flat subscription.Pay-as-you-go
O
OpenAI Agents APIOpenAI-hosted, managed Codex harness API for durable cloud agents with sessions, context compaction, subagents, and MCP connectivity.Agents API (Public Beta)OpenAI CodexOpenAI's agentic coding tool (CLI, IDE extension, cloud agent), billed via ChatGPT plans or the API.BusinessOpenCodeOpen-source AI coding agent for the terminal.Open SourcePhinqOpen-source runtime governance for AI agents: classify risk, hold irreversible actions, tamper-evident audit.Self-Host (MIT)

More tools for the same task, alphabetical and sourced. Not a quality ranking.

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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?

Vendor USD, no FX. The OSS framework has no seat $. Platform seats are Starter $0 and Teams $250. Gateway market rate + 5.5% and persistent server $100/project are overage/add-on, not extra list seats. Mastra is not LangChain alone, not CrewAI alone, and not Vercel AI SDK alone.

How many plans are documented for Mastra?

The catalog documents 4 plans with price, billing period, and included features.

Is Mastra still active?

Mastra is still active: access checked on the official product page.

How many official sources are on file for Mastra?

3 official sources are on file for Mastra, and prices and limits are based on them.

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. Result lists are alphabetical by default and can be switched to Free access first; neither is a quality ranking. The vendor page always wins.

Edited and checked by the AI Compare team

Sources

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