Free
Free
Free personal plan with agent cap
- Agents
- Up to three stateful agents
- Models
- Bring your own API keys and external coding plans
Letta pricing
● Identity checkedCode · Vendor site 2026-10-04
Letta is an AI research lab and product company building stateful agents whose memory and capabilities evolve over time, originating from MemGPT research. It ships Letta Agent software, a CLI, and cloud plans for individuals, teams, and API developers.
- Category
- Code
- Free access
- Free plan supports up to three stateful agents with BYOK models including supported external coding plans
- API access
- Developer API plan offers usage-based billing with API keys and pay-as-you-go LLM costs
Understand the total cost
Letta pricing & plans
Pro
$20.00 /mo
Billed monthly on Letta docs pricing
- Agents
- Up to 20 stateful agents
- Letta Auto
- Weekly and monthly quota plus pay-as-you-go overage
API Plan
$20.00 /mo
Usage-based developer plan
- Agents
- Unlimited agents with usage-based fees
- Usage
- $0.10 per active agent per month plus tool execution charges
Price history
No retained pricing changes yet. A current price alone does not establish a historical trend.
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