Mastra is free.
Verified Sep 2026 from the official pricing page.
Is Mastra worth the price?
Mastra's pricing is extremely generous, offering a full 'Open Source' tier completely free.
This makes it an excellent option for developers and small teams looking to build AI applications without upfront costs. It's best for individuals and organizations who prioritize self-hosting and community support.
Pricing Plans
Open Source
Free
- Full source code access
- Other license
- Community support
- Self-hosted
How Mastra compares
3 of 3 direct competitors offer a free plan.
| Tool | Starting price | Free plan |
|---|---|---|
| Mastra | Free | Yes |
| LangChain | $39/month, billing unit not specified | Yes |
| LlamaIndex | Contact sales | Yes |
| FlowiseAI | $35/month, billing unit not specified | Yes |
Mastra Pricing FAQ
How much does Mastra cost?
Mastra is free to use. No subscription or one-time fee is required for the core product.
Does Mastra have a free plan?
Yes. Mastra offers a free plan called "Open Source". It includes: Full source code access, Other license, Community support.
What are alternatives to Mastra?
Alternatives to Mastra include LangChain, LlamaIndex, FlowiseAI. LangChain starts at $39/month, billing unit not specified; FlowiseAI starts at $35/month, billing unit not specified.
Mastra alternatives
Direct competitors. Starting prices match the table above.
Sources
- Official Mastra pricing: github.com/pricing (verified Sep 2026)
- Cite this data: Toolradar, Mastra pricing verified Sep 2026, toolradar.com/tools/mastra/pricing
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