
Letta
Founded Year
2024Stage
Seed VC | AliveTotal Raised
$10MValuation
$0000Last Raised
$10M | 10 mos agoAbout Letta
Letta specializes in developing AI agents within the technology sector. The company offers a platform that enables the creation, deployment, and management of AI agents with memory and reasoning capabilities, supported by a visual interface and APIs. Letta serves the artificial intelligence and machine learning industry. It was founded in 2024 and is based in San Francisco, California.
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Research containing Letta
Get data-driven expert analysis from the CB Insights Intelligence Unit.
CB Insights Intelligence Analysts have mentioned Letta in 2 CB Insights research briefs, most recently on Mar 12, 2025.

Mar 6, 2025
The AI agent market mapExpert Collections containing Letta
Expert Collections are analyst-curated lists that highlight the companies you need to know in the most important technology spaces.
Letta is included in 3 Expert Collections, including Artificial Intelligence.
Artificial Intelligence
10,047 items
Generative AI
2,314 items
Companies working on generative AI applications and infrastructure.
AI agents
374 items
Companies developing AI agent applications and agent-specific infrastructure. Includes pure-play emerging agent startups as well as companies building agent offerings with varying levels of autonomy. Not exhaustive.
Latest Letta News
May 6, 2025
新智元报道 编辑:英智 AI 也会偷偷努力了?Letta 和 UC 伯克利的研究者提出「睡眠时计算」技术,能让 LLM 在空闲时间提前思考,大幅提升推理效率。 AI「睡觉」时也能思考了? Letta 和 UC 伯克利研究者提出了「睡眠时计算」(Sleep-time Compute)技术,旨在提高 L本文链接
Letta Frequently Asked Questions (FAQ)
When was Letta founded?
Letta was founded in 2024.
Where is Letta's headquarters?
Letta's headquarters is located at San Francisco.
What is Letta's latest funding round?
Letta's latest funding round is Seed VC.
How much did Letta raise?
Letta raised a total of $10M.
Who are the investors of Letta?
Investors of Letta include Jeff Dean, Essence VC Fund, Clem Delangue, Robert Nishihara, Felicis and 8 more.
Who are Letta's competitors?
Competitors of Letta include xAI, Anthropic, AI Redefined, VULCAiN Ai, 01.AI and 7 more.
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Compare Letta to Competitors

OpenAI offers artificial intelligence (AI) research and deployment that focuses on ensuring that AI benefits all of humanity. Its main offerings include developing AI technologies with a commitment to safety, alignment with human values, and broad societal benefits. Its products and services are designed to address global challenges and promote the equitable distribution of AI advantages. It was founded in 2015 and is based in San Francisco, California.

01.AI focuses on artificial intelligence (AI) 2.0 technology and applications within the foundation model domain. The company provides products including large language models, enterprise AI solutions, and open-source AI models aimed at improving productivity and supporting businesses. 01.AI primarily serves sectors that require AI-related developments and productivity improvements, such as the technology and business services industries. It was founded in 2023 and is based in Beijing, China.

Apollo Research operates as an AI safety organization focused on mitigating risks associated with advanced AI systems, particularly concerning deceptive behaviors. The organization conducts evaluations of AI models and advances interpretability research to understand and prevent strategic deception in AI. Additionally, Apollo Research provides consultancy services for responsible AI development frameworks and offers technical guidance to governance teams regarding AI policy. It was founded in 2023 and is based in London, United Kingdom.

Goodfire is an AI interpretability research lab focused on the study and design of AI systems within the technology sector. The company provides a mechanistic interpretability API named Ember, which aids in understanding AI models. Goodfire serves sectors that require AI model interpretability and alignment, such as AI development and research organizations. Goodfire was formerly known as ClearLine AI. It was founded in 2024 and is based in San Francisco, California.

DeepSeek focuses on the development of artificial general intelligence (AGI) within the technology sector. The company offers a platform that facilitates application programming interface (API) calls for integrating AI (artificial intelligence) capabilities and a chat interface for exploring AGI applications. DeepSeek's products are designed to serve as efficient AI assistants for various user needs. It was founded in 2023 and is based in Hangzhou, China.
Natural Velocity provides AI and cybersecurity solutions within the technology sector. Its offerings include a human-centered approach to artificial intelligence and cybersecurity measures aimed at supporting organizations in adopting these technologies safely and responsibly. It was founded in 2024 and is based in Docklands, Australia.
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