Letta
Build persistent AI agents with continuous memory, scheduled tasks, and multi-channel communication via Slack, Discord, and Telegram, using your own API keys.
Technical Profile & Specs
verified 2026-11-07
- Cost
- $0 / forever (Open Source)
- License
- Open Source
- Hosting Model
- Self-host (your server)
- Platforms
- webself-hosteddocker to self-host
- Installation
- Clone https://github.com/letta-ai/letta-code or deploy with Docker Compose
- Operational Setup
- Deploy via Docker or binary release from GitHub and configure environment variables.
- Where Your Data Lives
- All application data and configuration live on your own server or local database.
- The Catch / Trade-off
- Requires self-hosting setup, updates, and server maintenance compared to managed Supermemory.
Replaces 1 paid app
up to $25/mo ($300/yr) in subscriptions
Letta FAQ
Common questions
Is Letta free and open source?+
Letta is an open-source tool licensed under Open Source that runs on self-host. Build persistent AI agents with continuous memory, scheduled tasks, and multi-channel communication via Slack, Discord, and Telegram, using your own API keys.
What paid software does Letta replace?+
Letta serves as a free replacement for 1 paid SaaS application: Supermemory, saving up to $25/month ($300/year) in subscription bills.
How do you install and set up Letta?+
Installation: Clone https://github.com/letta-ai/letta-code or deploy with Docker Compose. Setup notes: Deploy via Docker or binary release from GitHub and configure environment variables.
What is the catch or trade-off with Letta?+
Requires self-hosting setup, updates, and server maintenance compared to managed Supermemory.