TypeScript framework for AI agents and workflows.
Agent frameworks & SDKsopen-source
Mastra vs CrewAI
Verdict: in our “Best framework for your first agent” ranking, Mastra ranks #4 and CrewAI ranks #5. The table compares their verified basics; how we rank.
| Feature | Mastra | CrewAI |
|---|---|---|
| What it is | TypeScript framework for AI agents and workflows. | Python framework for orchestrating role-playing multi-agent crews. |
| Category | Agent frameworks & SDKs | Agent frameworks & SDKs |
| Pricing model | open-source | open-source |
| Integrations | API, MCP | API |
| Self-hostable | Yes | Yes |
| Open-source repo | mastra-ai/mastra | crewAIInc/crewAI |
| Rank in “Best framework for your first agent” | #4 | #5 |
| StackRank score | Not yet benchmarked | Not yet benchmarked |
| Last verified | Oct 14, 2026 | Oct 14, 2026 |
Try them
Python framework for orchestrating role-playing multi-agent crews.
Agent frameworks & SDKsopen-source