Compare memory & context
Letta vs Zep
Two memory & context tools for AI agents, side by side. Facts come from each tool's own site.
| Letta | Zep | |
|---|---|---|
| What it does | Platform for stateful agents that keep long-term memory. | Context layer that unifies business data, documents, and chats for agents. |
| In their words | Letta | Machines that learn | Zep | The unified context layer for enterprise data |
| Open source | Yes | No |
| Website | letta.com | getzep.com |
| Link checked | 2026-10-16 | 2026-10-16 |
More options:Alternatives to LettaAlternatives to ZepGuide: Best memory layers for AI agents
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