Builder infrastructure
Letta
The platform for building stateful agents.
Letta describes an open-source agent harness for building stateful agents that learn from experience through memory and context management.
Vendor's own claim
What it can do
Vendor's own claim- Stateful agent development
- Memory and context management
- Agent SDK and CLI
- Remote sandboxes on Pro
Who it is for
Vendor's own claimDevelopers embedding stateful agents, coding assistants, personal assistants, or AI coworkers in applications.
When to choose something else
Our readTeams that only need stateless, single-turn model calls may not need Letta's memory and continual-learning architecture.
Implementation considerations
Our readSetup assessment: 1h
The vendor provides a quickstart, but agent configuration and LLM-provider choice are required.
Verify before you adopt it
- Confirmed pricing excerpt did not expose plan-price figures.
- No confirmed machine-readable OpenAPI specification.
- No confirmed MCP-specific documentation or tool list.