Compare frameworks

Mastra vs LangGraph vs CrewAI

Every figure below carries the source that reported it and the moment it was observed. Values that failed validation are withheld rather than shown, and a dash means no source we track carries that field for that framework.
Mastra vs LangGraph vs CrewAI, compared across 20 tracked fields. Each value shows the source that reported it and when.
FieldMastraLangGraphCrewAI
Stars
29,400Synced from sourceCurrent3h ago
44,631Synced from sourceCurrent3h ago
60,624 (highest of the compared values)Synced from sourceCurrent3h ago
downloads
3,150,478Synced from sourceCurrent3h ago
4,881,657 (highest of the compared values)Synced from sourceCurrent3h ago
—
Last commit
2026-11-08Synced from sourceCurrent3h ago
2026-11-08Synced from sourceCurrent3h ago
2026-11-08Synced from sourceCurrent3h ago
Language
typescriptSeeded, unreviewedwritten 2mo ago
pythonSeeded, unreviewedwritten 2mo ago
pythonSeeded, unreviewedwritten 2mo ago
Licence—
MITSynced from sourceCurrent3h ago
MITSynced from sourceCurrent3h ago
Archived
noSynced from sourceCurrent3h ago
noSynced from sourceCurrent3h ago
noSynced from sourceCurrent3h ago
Category
orchestrationSeeded, unreviewedwritten 2mo ago
orchestrationSeeded, unreviewedwritten 2mo ago
multi-agentSeeded, unreviewedwritten 2mo ago
Contributors
701Synced from sourceCurrent3h ago
294Synced from sourceCurrent3h ago
367Synced from sourceCurrent3h ago
Forks
3085Synced from sourceCurrent3h ago
7690Synced from sourceCurrent3h ago
9090Synced from sourceCurrent3h ago
Maintainer
MastraSeeded, unreviewedwritten 2mo ago
LangChainSeeded, unreviewedwritten 2mo ago
CrewAISeeded, unreviewedwritten 2mo ago
npm downloads, monthly
10391822Synced from sourceCurrent3h ago
16705433Synced from sourceCurrent3h ago
—
npm downloads, weekly
3150478Synced from sourceCurrent3h ago
4881657Synced from sourceCurrent3h ago
—
npm package
@mastra/coreSynced from sourceCurrent3h ago
@langchain/langgraphSynced from sourceCurrent3h ago
—
npm window ends
2026-11-06Synced from sourceCurrent3h ago
2026-11-06Synced from sourceCurrent3h ago
—
Open issues
820Synced from sourceCurrent3h ago
475Synced from sourceCurrent3h ago
1196Synced from sourceCurrent3h ago
PyPI package—
langgraphSynced from sourceCurrent3h ago
crewaiSynced from sourceCurrent3h ago
PyPI released—
2026-11-05T02:20:37.999716ZSynced from sourceCurrent3h ago
2026-11-07T02:18:43.372746ZSynced from sourceCurrent3h ago
Requires Python—
>=3.10Synced from sourceCurrent3h ago
<3.14,>=3.10Synced from sourceCurrent3h ago
PyPI version—
1.2.20Synced from sourceCurrent3h ago
1.15.37Synced from sourceCurrent3h ago
Repository
https://github.com/mastra-ai/mastraSynced from sourceCurrent3h ago
https://github.com/langchain-ai/langgraphSynced from sourceCurrent3h ago
https://github.com/crewAIInc/crewAISynced from sourceCurrent3h ago

Sources: GitHub REST API, npm registry downloads, PyPI registry metadata, pypistats.org downloads. Most recent observation 3h ago. Where a row is marked, ▲ is the highest of the values shown and ▼ the lowest — arithmetic on the figures above, not a ranking or a recommendation. Rows where neither extreme is meaningful are left unmarked rather than given a direction they do not have.

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Every figure on this site resolves to the source that reported it, the moment it was observed, and how it was measured. A value that fails validation is withheld rather than shown — withheld means we refused to publish it, not that it is zero.