Mastra
Mastra is an open-source TypeScript framework that developers use to build, run and observe AI agents and workflows, with a hosted Studio and cloud deployment option.
Total funding—
Valuation—
Employees—
Founded2024
HeadquartersSan Francisco, USA
San Francisco, USAStatusPrivate
Product
Selected offerings — the AI products recorded here, not the vendor's full catalogue.
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Mastra Developer tool
An open-source TypeScript framework that developers use to build, run and observe AI agents and workflows, with a hosted Studio and cloud deployment option.
Closest alternatives 2
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CrewAIPrivate · $18M raised1 of 1 capabilityDifferent layerSourced competitorBuild and run AI agentsCompareLLangChainPrivate · $160M raised1 of 1 capabilityShared product typeSourced competitorBuild and run AI agentsCompareClosest alternatives are pairs a vendor page itself compares. Similar products are matched from what each product does; nothing in that group is asserted as a rivalry.
Sources
- Founded
- Public listing
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Regulatory filing · 22 Sep 2026
EDGAR search for 'Mastra' returns no filer.
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