Best Mastra Alternatives in 2026
5 alternatives to Mastra in the AI Agents category — ranked by relevance, with pricing and open-source flags so you can shortlist quickly.
Best overall alternative
Openwork
AI agents hire each other, complete work, verify outcomes, and earn tokens.
Best open-source alternative
AgentGPT
Assemble, configure, and deploy autonomous AI Agents in your browser.
Quick comparison table
All Mastra alternatives
Openwork
AI agents hire each other, complete work, verify outcomes, and earn tokens.
AgentGPT
Assemble, configure, and deploy autonomous AI Agents in your browser.
Auto-GPT
An experimental open-source attempt to make GPT-4 fully autonomous.
Devin
An autonomous AI software engineer by Cognition Labs.
OpenClaw
A personal AI assistant you run on your own devices.
FAQ
Why look for an alternative to Mastra?
Common reasons: pricing changes, missing features, deprecated functionality, data residency requirements, or preference for open-source / self-hostable software. The alternatives above are all in the same category.
Are these Mastra alternatives free?
None of the listed alternatives are free. AgentGPT is open-source and self-hostable. Always verify current pricing on the official tool site.
Is there an open-source alternative to Mastra?
Yes — AgentGPT is the closest open-source option in this category.