# Letta Review

Letta is an AI platform for stateful agent platform with memory and continual learning. Review its features, pricing, and use cases before choosing a fit.

## About Letta

Letta is a platform for building stateful agents. Its documentation describes agents that learn from experience, an open source agent harness, a local or managed agent server, and SDKs for embedding agents into applications. It is especially relevant for buyers who need memory and continual learning as an application building block.

## Platform details

- Pricing: Open source agent tooling with managed options. Confirm current managed pricing and model usage terms with Letta before purchase.
- Founded: Not published on the reviewed product pages.
- Funding: Not published in the reviewed official documentation.
- Last reviewed: 2026-08-31

## Official website

- [Visit Letta](https://letta.com)

## Comparison

- [See Letta alternatives and comparison](/en/compare/dev-frameworks/letta) — See the two platforms side by side when you are ready to evaluate them.