Letta

Founded by Charles Packer in 2024

Develop stateful AI agents with continuous learning and memory management capabilities.

Pricing model

Free Tier, Paid

Rating

★ People love it

Time to value

Quick Setup (< 1 hour)

You can use Letta to build AI agents that remember past interactions, learn from new data, and improve over time. For Software Engineers and Machine Learning Engineers, Letta offers APIs and SDKs to integrate persistent state and context management into your applications. AI Research Scientists can leverage Letta's platform to explore advanced memory systems and continual learning models. Product Managers and CTOs can deploy scalable, stateful agents that enhance user engagement and operational efficiency.

What Letta does

Integrate Letta's API into existing software applications.Develop custom tools executed within Letta's cloud sandboxes.Define and manage context rules for agent behavior control.Version and deploy agent designs using Letta's production architecture.Expose AI agents as REST API endpoints for application integration.Persist agent state across different LLM providers without data loss.Utilize Letta's SDKs to build and manage stateful AI agents.Leverage Letta's research-backed techniques for AI memory management.Agentic Context Engineering: Manage context windows with intelligent memory blocks.MCP & Tool Integrations: Define and execute custom tools in cloud sandboxes.Context Management: Set explicit rules to control agent behavior for reliability.Production Versioning: Version agent designs and apply upgrades or rollbacks as needed.Agents as APIs: Expose agents as REST API endpoints for seamless integration.Stateful Agents: Persist all state automatically in a model-agnostic representation.Developer-First Design: Utilize APIs and SDKs for easy integration with existing systems.Backed by Research: Built on techniques designed by AI PhDs from UC Berkeley.