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Pricing

Pricing

Try Letta Code for free or upgrade for more usage

Letta Code is free to use with your own API keys. Upgrade for access to all frontier models, more agents, more Letta Auto, and higher usage limits.

Free

Get started at no cost.

$0 /month
  • Limited agents
  • Limited usage of Letta Auto
  • Bring your own API keys and external coding plans
View quickstart ↗

Pro

For personal use.

$20 /month
  • Open-weights models + Letta Auto quota
  • Pay-as-you-go overage
  • Up to 20 stateful agents
Get Pro ↗

Max Lite

For professionals.

$100 /month

Everything in Pro, plus:

  • All frontier model providers
  • 5X Letta Auto limits
  • Up to 50 stateful agents
Get Max Lite ↗

Max

For power users.

$200 /month

Everything in Max Lite, plus:

  • Increased frontier model quota
  • 20X Letta Auto limits
  • Early access to new features
Get Max ↗

Personal Plan quotas require OAuth authentication and usage through chat.letta.com or Letta Code (desktop app, interactive CLI, and remote environments mode).

For automated (scripted) usage and external applications that build on the Letta API Platform, see our API plan.

All plans support BYOK (bring your own API keys).

Frequently asked questions

Section titled “Frequently asked questions”
Can I use my own API keys?

Yes. All plans support bringing your own API keys (BYOK). When you connect your own keys (via /connect in Letta Code), usage goes directly through your provider account instead of consuming Letta credits.

What’s the difference between Personal Plans and the API Plan?

Personal Plans (Pro, Max Lite, Max) are for individual, hands-on use via Letta Code or the chat interface. They provide usage quotas that reset monthly. Personal Plan quotas require OAuth authentication (signing in via the Letta chat app or Letta Code).

The API Plan is for developers and teams building applications on top of the Letta API with automated workloads. It uses API key authentication with purely usage-based credit pricing.

What are the usage limits for my plan?

The free tier includes a limited number of total agents and LLM requests with rotating free models. Personal Plans (Pro, Max Lite, Max) include monthly usage quotas that scale with each tier. Max Lite includes 5X the Letta Auto limits of Pro, and Max includes 20X.

Paid plan users can view current usage in the account dashboard.

What happens when I reach my limit?

On Personal Plans, you can continue using Letta with pay-as-you-go pricing for additional models or overage. You’ll be notified by email when approaching your limit.

What is Letta Auto?

letta/auto and letta/auto-fast are model handles that automatically route to models optimized for Letta Code. We recommend using these for the best cost and performance. Personal Plans include usage quotas specifically for Letta Auto, with higher limits on Max Lite (5X) and Max (20X).

Where can I ask more questions?

Reach out to support@letta.com, or join our community on Discord.