Letta · Pricing Plans

Letta Plans Pricing

Letta API Cloud is $20/month base + $0.10 per active agent per month + $0.00015/sec for tool execution + pay-as-you-go LLM usage at provider cost. Self-hosted Letta is free except for hosting and your own LLM API costs. Enterprise plans are custom.

Letta Plans Pricing is the machine-readable pricing-plan profile for Letta on the APIs.io network, conforming to the API Commons Plans specification.

It defines 3 plans, covering free, subscription, and enterprise tiers, with named plans including Self-Hosted (Open Source), API Plan (Cloud), Enterprise.

Tagged areas include AI, Agents, Memory, MemGPT, and Stateful.

3 Plans API Commons Plans
View Source
AIAgentsMemoryMemGPTStatefulPlans

Plans

Self-Hosted (Open Source) free

Self-host the open-source Letta server; pay only your hosting and LLM API costs.

Plan Fee (month · month) 0 USD/month (Letta is free; you pay infra and LLM) USD
API Plan (Cloud) subscription

Letta Cloud monthly fee plus pay-as-you-go agent and tool execution charges.

Plan Fee (month · month) 20 USD/month USD
Active Agent (agent-month · month) 0.10 USD per active agent per month USD
Tool Execution (second · usage) 0.00015 USD/sec USD
LLM Usage (token · usage) provider cost (pay-as-you-go) USD
Enterprise enterprise

Volume pricing, increased quotas, RBAC, SAML/OIDC SSO, dedicated support.

Enterprise Contract (contract · annual) contact sales USD

Sources