Letta starts at $20/month on the Pro plan.
Verified Oct 2026 from the official pricing page.
Is Letta worth the price?
Letta's pricing seems fair, offering a free tier for basic exploration and a Pro tier at $20/month for personal use with a decent agent allowance.
The 'Contact us' for Teams/Enterprise is standard for custom solutions. This structure is best for individual developers or small teams looking to experiment with persistent AI agents.
Pricing Plans
Free
$0 / month
- Limited agents
- Limited usage of Letta Auto
- Bring your own API keys and external coding plans
Pro
$20 / month
- For personal use
- Letta Auto weekly + monthly quota
- Pay-as-you-go overage
- Up to 20 stateful agents
Teams / Enterprise
Contact us
- Managed per-seat pricing for your business
Hidden Costs & Gotchas
Pay-as-you-go overage for Letta Auto
How Letta compares
4 of 6 direct competitors offer a free plan.
| Tool | Starting price | Free plan |
|---|---|---|
| Letta | $20/month, billing unit not specified | Yes |
| Devin | $20/month, billing unit not specified | No |
| Agentspan | Free | Yes |
| CrewAI | $25/month, billing unit not specified | Yes |
| LangChain | $39/month, billing unit not specified | Yes |
| Replicate | $0.09/month, billing unit not specified | No |
| Anyscale | Contact sales | Yes |
Letta Pricing FAQ
How much does Letta cost?
Letta starts at $20/month on the Pro plan. A free plan is also available.
Does Letta have a free plan?
Yes. Letta offers a free plan called "Free". It includes: Limited agents, Limited usage of Letta Auto, Bring your own API keys and external coding plans.
What are alternatives to Letta?
Alternatives to Letta include Devin, Agentspan, CrewAI, LangChain. Agentspan is fully free. Devin starts at $20/month, billing unit not specified; CrewAI starts at $25/month, billing unit not specified; LangChain starts at $39/month, billing unit not specified.
Letta alternatives
Direct competitors. Starting prices match the table above.
Sources
- Official Letta pricing: www.letta.com/pricing (verified Oct 2026)
- Cite this data: Toolradar, Letta pricing verified Oct 2026, toolradar.com/tools/letta/pricing
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