San Francisco, CA-based AI research company founded 2024. Private. Builds stateful AI agents with persistent memory. Serves AI developers and enterprises with the Letta Agent framework for long-lived applications.
Pricing Change History
3 changesPro ($20/mo) moves from Letta Auto weekly+monthly quota with pay-as-you-go overage to $20/month in credits for any model; Developer Plans (usage-based API plan, $20/mo) section and tab removed. Free plan: ‘Limited agents’ now ‘Up to 3 stateful agents’; limited Letta Auto usage removed; option to purchase credits for Letta-hosted models added.
Letta disclosed new per-memory-repository storage limits: Free plan capped at 5 MiB, Pro plan capped at 50 MiB. Previously no storage limit was listed on either plan.
Pricing page restructured: a new ‘Developer Plans’ tab was added alongside the existing ‘Personal Plans’ and ‘Teams / Enterprise’ tabs.
Current plans
| Plan | Price |
|---|---|
| Free | Free |
| Pro | $20 /mo |
| Teams Pro | $20 /seat/mo |
| Enterprise | Contact |
Company Facts
How Letta compares with its peers
| Company | Entry price |
|---|---|
G GeminiLast change: Oct 12, 2026 | $30 /mo |
M Mistral AILast change: Oct 12, 2026 | $14.99 /mo |
L LangChainLast change: Oct 5, 2026 | $39 /seat/mo |
H HuggingfaceLast change: Nov 2, 2026 | $9 /mo |
A AnthropicLast change: Nov 11, 2026 | $17 /mobilled annually |
O OpenAILast change: Nov 11, 2026 | $8 /mo |
Letta pricing FAQ
- How much does Letta cost?
- Letta pricing starts at $20/mo on Pro. Letta lists 4 plans on its pricing page; the Free plan is free.
- Does Letta have a free plan?
- Yes. Letta's Free plan is free; paid plans start at $20/mo on Pro.
- What pricing model does Letta use?
- Letta uses subscription pricing across 4 plans, with a free tier.
- When did Letta last change its pricing?
- Nov 9, 2026: Letta swaps Pro's Letta Auto quotas for $20/mo in credits on any model.
- How often has Letta changed its pricing?
- Pulse has recorded 3 pricing changes for Letta since it started tracking on Jun 21, 2026; the pricing page was last checked on Nov 9, 2026.
- What does “tracked since” mean?
- It's the date of the first saved copy of the pricing page that Pulse checked for changes against a later copy. For a few companies we hold older copies that Pulse never checked for changes, and those don't change this date. If Pulse has never checked two copies, it's the date of the first saved copy.
- Who are Letta's pricing peers?
- Pulse compares Letta with Gemini, Mistral AI, LangChain, Huggingface, Anthropic and OpenAI.