# AWS Strands Agents vs Mastra

AWS Strands Agents is free, with no paid plan attached. Mastra is free, with no paid plan attached.

| | AWS Strands Agents | Mastra |
|---|---|---|
| Pricing | Free | Free |
| Free to start | Yes | Yes |
| Category | AI Agents & Automation | AI Agents & Automation |
| Type | Agent Frameworks (Developers) | Agent Frameworks (Developers) |
| Best for | Open-source (6,800+ stars) Python and TypeScript SDK from AWS | Open-source TypeScript framework (Apache 2.0) for agents, workflows and RAG |

## FAQ

### AWS Strands Agents vs Mastra: what is the difference?

AWS Strands Agents is free, with no paid plan attached and is listed for open-source (6,800+ stars) Python and TypeScript SDK from AWS. Mastra is free, with no paid plan attached and is listed for open-source TypeScript framework (Apache 2.0) for agents, workflows and RAG. Both sit in Agent Frameworks (Developers).

### Is AWS Strands Agents or Mastra cheaper to start with?

Neither — AWS Strands Agents and Mastra are both free, so the choice comes down to capability rather than cost. Both entries list what they uniquely do above.

### Which should I choose, AWS Strands Agents or Mastra?

Choose AWS Strands Agents if you need open-source (6,800+ stars) Python and TypeScript SDK from AWS; choose Mastra if you need open-source TypeScript framework (Apache 2.0) for agents, workflows and RAG. Flocci AI Tools does not rank one above the other — it shows both feature sets side by side and lets the requirement decide.

## Related

- [AWS Strands Agents](https://aitools.flocci.in/tool/aws-strands-agents)
- [Mastra](https://aitools.flocci.in/tool/mastra)
- [AWS Strands Agents alternatives](https://aitools.flocci.in/alternatives/aws-strands-agents)
- [Mastra alternatives](https://aitools.flocci.in/alternatives/mastra)
---

Source: Flocci AI Tools — https://aitools.flocci.in/compare/aws-strands-agents-vs-mastra

Facts last verified: October 2026