Directory / Agent Frameworks & Builders
Letta
Platform for stateful agents with long-term memory (ex-MemGPT)
Headcount
17
■ 0.0%▲ 6.3%3m · 6m
src: Clay (LinkedIn headcount)
X followers
10.7K
——7d · 30d
src: X API public metrics 2026-11-04
Traffic / month
62.3K
src: Semrush
// profile
Product
- Agent type
- Stateful AI-agent platform/agent harness with persistent memory and continual learning
- Primary buyer
- Developers and engineering teams building, deploying, or self-hosting stateful agents.
- Integrations
- GitHub, Slack, Telegram, Discord, WhatsApp, Signal, custom channels, GitHub Actions, Skills
- HQ
- San Francisco, CA, United States
- Founded
- —
- Profile ↗
src: docs.letta.com/
src: docs.letta.com/
src: docs.letta.com/
// capital
Funding
- Date
- Sep 24, 2024
- Source
- Announcement ↗
- Investors
- Barry McCardel, Clem Delangue, Cris Valenzuela, Essence VC, Felicis Ventures, Jeff Dean, Jordan Tigani, Robert Nishihara, Sunflower Capital, Tristan Handy
// team
Hiring
- Employees
- 17
- Growth 3m / 6m
- 0.0% / +6.3%
- Open roles (sample)
- —
- X mentions this week
- 26
- X handle
- @Letta_AI
src: Clay (LinkedIn headcount)
src: Clay (LinkedIn headcount)
src: X API public metrics 2026-11-04
// x.com
Top launch posts
// awaiting data
No posts tracked yet
This view fills in automatically once the weekly dataset is loaded.
// press
Recent news
// provenance
Sources
- Profile
- https://docs.letta.com/
- Headcount
- Clay (LinkedIn headcount)
- Open jobs
- —
- Traffic
- Semrush
- X metrics
- X API public metrics 2026-11-04
- X handle (homepage-verified)
- —
- x_buzz
- X API recent counts, 7 days to 2026-11-04
- profile
- https://docs.letta.com/
// faq
About Letta
What does Letta do?+
Platform for stateful agents with long-term memory (ex-MemGPT)
How much has Letta raised most recently?+
Seed of $10M on Sep 24, 2024, led by Felicis.
How many employees does Letta have?+
About 17 (3-month growth 0.0%).
How is Letta priced?+
hybrid: free tier, monthly per-user/per-seat plans, and usage-based/pay-as-you-go API pricing; enterprise custom volume-based pricing, starting at $20/month.