Complete Review: Letta

<h2>About Letta</h2><p>The platform for stateful agents. Build AI agents with long-term memory, advanced reasoning, and custom tools inside a visual environment using the Agent Development Environment, or with Python and Node.js SDKs.</p> <h2>Pricing</h2><p>Letta offers a <strong>free plan</strong> with paid upgrades available.</p>