Overview
Letta is a agents tool that build stateful ai agents. It's built for solo founders who want results without stitching together five separate apps. Compared to other agents options in our directory, Letta stands out for an active community, and its freemium model (Free) keeps it within reach for most workflows. Real users have left 320 reviews averaging 4.4 out of 5, which puts it firmly in the upper tier of tools we track.
Key features
- Tool use across 100+ apps
- Self-hostable runtime
- Multi-step task planning
- Browser and OS automation
Use cases
- Founders delegate inbox triage, scheduling, and follow-ups.
- Ops teams automate cross-app workflows that used to take days.
Pros
- Free tier is enough to evaluate seriously
- Polished onboarding and templates
Cons
- Output style can feel generic without careful prompting
- Privacy controls depend on the plan you choose
- Quality varies on edge cases — review outputs before shipping
Pricing
| Tier | Price | What's included |
|---|---|---|
| Free | $0 | Core features with monthly usage caps. |
| Starter / Pro | Free | Higher limits, priority output, removed watermarks, and core team features. |
| Team / Business | Custom | SSO, audit logs, dedicated support, and volume pricing for organizations. |
How it compares
If you're weighing Letta against alternatives, the closest competitors in the Agents category are AutoGPT and AgentGPT. AutoGPT (Free, Free) tends to win on ecosystem maturity, while Letta usually pulls ahead on an active community. For most teams the decision comes down to budget and which integrations you already rely on.
FAQ
Does Letta offer a free trial?
Yes. Letta has a free tier that lets you try the core product before deciding whether to upgrade. Paid plans add higher usage limits and more advanced features.
Does Letta have an API?
Most agents tools at this tier ship an API. Check Letta's docs at https://letta.ai for the latest endpoints, rate limits, and SDKs.
Is Letta good for teams?
Letta can be used by teams, though some collaboration features may require its paid tier.