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letta vs mastra

Compare letta and mastra using verifiable public signals, licensing and project quality.

letta

mastra

Data sourceGitHubGitHubCategoriesAIAIYunoDB quality score100/100100/100PopularityGitHub stars 24,243GitHub stars 27,093LicenseApache-2.0NOASSERTIONPricingOpen sourceOpen source
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