Letta
Agent49Agent Readiness: 49/100. Top 25%. Measured by StartupHub.ai. Median 41.Trust76Data Trust: 76/100. Above median. Measured by StartupHub.ai. Median 61.An operating system for building stateful AI agents, managing context, memory, and resource allocation.
About
Letta builds persistent AI agents that continually learn and adapt from experience through language and memory. Their core product, Letta Code, allows users to create personalized agents with unique identities and expertise that evolve over time, transferable across different AI models and deployable on any device. Letta is an AI lab focused on creating machines that learn, with research stemming from UC Berkeley's Sky Computing Lab.
Listed competitors
Also in this space
Model-agnostic AI memory across OpenAI, Anthropic, Gemini, DeepSeek, xAI, and Groq. Research-backed savings: 80.8% fewer prompt tokens on governance evals, 91.5% on IDE sessions. Compare Cortyxia vs M
Shares AI Infrastructure, Foundation Model
Hebbia is an AI platform for knowledge work, automating complex tasks for finance, law, and Fortune 500 companies.
Shares Agentic AI, AI Agent
Platform for building and deploying custom AI agents connected to company knowledge and tools.
Shares Agentic AI, AI Agent
AI agents automating knowledge-intensive financial workflows like due diligence and memo generation.
Shares Agentic AI, AI Agent
Open-source tool to transform application data into accessible knowledge for AI agents.
Shares Agentic AI, AI Agent
Channel3 is building a universal database of every product on the internet, providing developers access to valuable product data.
Shares Agentic AI, AI Agent
Key facts
- Website
- letta.com
- Headquarters
- San Francisco, United States
- Founded
- 2023
- Employees
- 15
- Business model
- B2B
Tech stack
Detected on letta.com, last scanned 30 Oct 2026. Run your own scan
- Analytics
- Plausible
- Support
- Discourse
- CDN
- Cloudflare
- Email provider
- Google Workspace
- Status page
- BetterStack
Letta scores 73. Does yours?
That is its Ahrefs DR: the backlink strength of a domain, on the Ahrefs 0 to 100 scale. Paste your website and you get yours in about a minute.
Frequently asked
Is Letta trustworthy and reputable?
StartupHub's Data Trust & Reputation score for Letta is 76 out of 100, a generally safe rating, based on site security posture, privacy practices, malware and phishing checks, and public reputation signals.
How many employees does Letta have?
Letta has approximately 15 people on record.
Public record
SEC filings, insider activity, nonprofit links and pay benchmarks for Letta
