# Letta vs Zep

Letta is freemium — a usable free tier with paid plans above it. Zep is freemium — a usable free tier with paid plans above it.

| | Letta | Zep |
|---|---|---|
| Pricing | Free tier + paid plans | Free tier + paid plans |
| Free to start | Yes | Yes |
| Category | AI Agents & Automation | AI Agents & Automation |
| Type | Agent Memory & RAG-as-a-Service | Agent Memory & RAG-as-a-Service |
| Best for | Free BYOK plan supporting up to 3 stateful agents | Free plan: 10,000 monthly credits, 2 projects, 200ms retrieval |

## FAQ

### Letta vs Zep: what is the difference?

Letta is freemium — a usable free tier with paid plans above it and is listed for free BYOK plan supporting up to 3 stateful agents. Zep is freemium — a usable free tier with paid plans above it and is listed for free plan: 10,000 monthly credits, 2 projects, 200ms retrieval. Both sit in Agent Memory & RAG-as-a-Service.

### Is Letta or Zep cheaper to start with?

Neither — Letta and Zep are both freemium, so the choice comes down to capability rather than cost. Both entries list what they uniquely do above.

### Which should I choose, Letta or Zep?

Choose Letta if you need free BYOK plan supporting up to 3 stateful agents; choose Zep if you need free plan: 10,000 monthly credits, 2 projects, 200ms retrieval. Flocci AI Tools does not rank one above the other — it shows both feature sets side by side and lets the requirement decide.

## Related

- [Letta](https://aitools.flocci.in/tool/letta)
- [Zep](https://aitools.flocci.in/tool/zep)
- [Letta alternatives](https://aitools.flocci.in/alternatives/letta)
- [Zep alternatives](https://aitools.flocci.in/alternatives/zep)
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Source: Flocci AI Tools — https://aitools.flocci.in/compare/letta-vs-zep

Facts last verified: October 2026