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Platform for stateful agents with memory
Letta is stateful AI agent software offering an open-source platform (from the MemGPT team) for building stateful AI agents with long-term memory. Founded in 2024 and based in San Francisco, California, USA, Letta helps developers building long-running, memory-rich agents work more efficiently and achieve better outcomes.
Letta is built for developers building long-running, memory-rich agents. It suits teams that want persistent agent memory without spreadsheets and disconnected tools.
Compared with alternatives like Mem0, Letta differentiates on persistent agent memory. Pricing is quote-based and scoped to your usage and team size.
Pricing Model
Quote-based
Starting Price
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Free Options
Free trial
Core Letta for growing teams. Contact for a quote.
Advanced Letta for larger organizations. Contact for a quote.
| Feature | Professional Popular | Enterprise |
|---|---|---|
| persistent agent memory | , | |
| agent development environment | , | |
| Integrations | , | |
| Analytics and reporting | , | |
| Standard support | , | |
| Everything in Professional | , | |
| model-agnostic agents | , | |
| self-hosted or cloud deployment | , | |
| Advanced security and controls | , | |
| Dedicated support and onboarding | , |
Other
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API Types
SDK Availability
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Developer Features
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Compliance Standards
SOC 2 Type II
EnterpriseISO 27001
EnterpriseGDPR Compliant
GlobalHIPAA
HealthcarePCI DSS
FinanceCCPA
PrivacyFedRAMP
GovernmentCSA STAR
CloudDeployment & Data
Data Residency Options
Verify with vendor for your specific region requirements.
