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Letta (MemGPT) costs Free to $20 per month as of July 2026, with 3 plans available including a free tier. Plans: Free (free), and Pro at $20/month. Enterprise pricing is available on request. Pricing depends on your chosen tier, contract length, and negotiated discounts.

Use the interactive pricing calculator to estimate your exact cost based on team size and requirements.

  • Free tier: Yes

Letta (MemGPT) offers 3 pricing tiers: Free, Pro, Teams / Enterprise. A free plan is available. Paid plans include Pro at $20/month.

Last verified: | Sources: 1 pricing pages and reviews
Know Before You Buy — Try Letta (MemGPT) Free

Letta (MemGPT) lists $0-$20/month, but hidden costs like implementation and support add to the total as of July 2026. Key hidden costs: infrastructure and hosting, llm token usage, tool execution. Verified from 1 sources by CostBench.

Hidden Costs Breakdown

1

Infrastructure and Hosting

medium implementation

For self-hosted versions, users must manage their own infrastructure and updates, including setting up and maintaining a database backend for persistence.

industry

This includes setting up and maintaining a database backend for persistence.

2

LLM Token Usage

critical overage

LLM usage is typically charged based on the underlying token costs of the models used, and AI agents can burn 5 to 30 times more tokens per task than a single chatbot call, leading to potentially spiraling costs at scale.

industry

AI agents, in general, can burn 5 to 30 times more tokens per task than a single chatbot call, leading to potentially spiraling costs at scale.

3

Tool Execution

medium overage

On the Letta API Plan, server-side tool execution is billed at $0.00015 per second, and built-in web search/fetch tools also incur costs.

industry

Additionally, built-in web search/fetch tools incur costs.

4

Integration with Existing Systems

medium implementation

Integration with existing systems is a hidden cost.

industry

Letta's self-editing memory approach, while adaptive, means that every memory operation consumes inference tokens as the agent reasons about what to store and how.

Frequently Asked Questions

01 What hidden costs should I budget for with Letta (MemGPT)?

Beyond the license fee, budget for: Tool Execution ($0.00015 per second). Exact totals depend on your deployment size and negotiated terms.

02 Does Letta (MemGPT) charge for implementation?

Letta (MemGPT) implementation is not included in the license cost. For self-hosted versions, users must manage their own infrastructure and updates, including setting up and maintaining a database backend for persistence..

03 How much does Letta (MemGPT) support cost?

Premium support pricing for Letta (MemGPT) depends on your tier and contract terms. See the sourced cost breakdown above for any verified figures we have.

04 Are there overage or storage costs with Letta (MemGPT)?

LLM usage is typically charged based on the underlying token costs of the models used, and AI agents can burn 5 to 30 times more tokens per task than a single chatbot call, leading to potentially spiraling costs at scale..

05 What add-ons cost extra with Letta (MemGPT)?

Add-on pricing for Letta (MemGPT) varies by feature. The sourced cost breakdown above lists any verified add-on costs we have.

Now You Know the Real Cost — Try Letta (MemGPT) Free

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