Letta

LettaLetta
Letta

Letta

An operating system for building stateful AI agents, managing context, memory, and resource allocation.

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2023Active15
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About

Letta builds persistent AI agents that continually learn and adapt from experience through language and memory. Their core product, Letta Code, allows users to create personalized agents with unique identities and expertise that evolve over time, transferable across different AI models and deployable on any device. Letta is an AI lab focused on creating machines that learn, with research stemming from UC Berkeley's Sky Computing Lab.

Technology stack

detected 2026-07-02
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Frequently asked

What does Letta do?

Letta builds persistent AI agents that continually learn and adapt from experience through language and memory. Their core product, Letta Code, allows users to create personalized agents with unique identities and expertise that evolve over time, transferable across different AI models and deployable on any device. Letta is an AI lab focused on creating machines that learn, with research stemming from UC Berkeley's Sky Computing Lab.

Where is Letta headquartered?

Letta is headquartered in San Francisco, United States.

When was Letta founded?

Letta was founded in 2023.

What industry does Letta operate in?

Letta operates in Agentic AI, AI Agent, Foundation Model, Operating System, AI Infrastructure, Developer Tools.

How many employees does Letta have?

Letta has approximately 15 people on record.

What is Letta's revenue?

StartupHub estimates Letta's annual revenue at $4.8M (range $2.7M to $9.0M, 64% confidence), based on comparable companies in the sector.