open source · Memory agents · Apache-2.0

Letta

Stateful agents with self-editing long-term memory (ex-MemGPT).

In short

  • What it is: Memory agents, 24k+ GitHub stars, licensed Apache-2.0.
  • Replaces: Memory add-ons — around $480/year saved.
  • Installed for: $249 on your own server — you own it, no monthly platform fee.
  • Licence: Apache-2.0. Apache-2.0 — safe to resell.
How the service works
24k+ GitHub starsApache-2.0install difficulty: hard

$480

replaces per year

$2,400

saved over 5 years

$249

one-time install (yours forever)

48h

delivery

what it replaces

Letta vs the tools it replaces.

FeatureCommercial toolLetta (self-hosted)
PricingPer seat add-onFlat
Long-term memoryLimitedNative
LicenceProprietaryApache-2.0

Replaces

  • Memory add-ons — ~$40/mo

Licence posture

Apache-2.0. You can white-label and resell this. We'll brand it as yours.

Apache-2.0 — safe to resell.

how to resell / replace

Turn it into a business.

The memory layer that makes a support or assistant agent feel like it knows the customer. Embed it in your own agent product and charge for the outcome.

Bundle this with a done-for-you product: see the AI businesses or the white-label alternatives.

Best for

Install difficulty

hard

what we do

The install, step by step.

1

Docker

2

Postgres

3

Model keys

4

Agent config

5

Backups

letta · install demo
see it installed

Watch a Letta install.

We generate an architecture diagram of the repo and walk through the deployment. Enter your name and email to unlock the demo.

Install Letta — $249.

Flat fee, delivered in 24–48 hours, on your own server, with HTTPS, backups and the AI keys wired.

All repos
FAQ

Letta: common questions

What does Letta replace?

Memory add-ons — about $480 a year in subscriptions you stop paying.

How much does it cost to run Letta?

No licence fee — it ships under Apache-2.0. You pay only for your own server and any model/API keys. We install, harden and hand it over for a one-time $249.

Can I white-label and resell Letta?

You can white-label and resell this. We'll brand it as yours. Apache-2.0 — safe to resell.

How hard is the install, and how long does it take?

We rate it hard. Delivered in 24–48 hours on your own server, with HTTPS, backups and the AI keys wired.

What do I actually own after installing Letta?

The running app, your data and the brand. No monthly platform fee and no per-seat pricing — you own it outright.