Letta

San Francisco, United States Founded: 1997 • Age: 29 yrs
Letta is focused on developing stateful AI agent platforms.

About Letta

Letta is a Technology company based in San Francisco (United States) founded in 1997 by Charles Packer and Sarah Wooders. Letta is focused on developing stateful AI agent platforms. It operates on a SaaS (Software-as-a-Service) and API-as-a-Product model. Its chief executive, as recorded, is Charles Packer. Its website letta.com draws about 142 thousand monthly visits. Letta offers products and services including Letta Cloud, Agents API, and Agent Development Environment (ADE). Its focus areas include Artificial Intelligence and AI Platforms. Its competitors include Together AI, Imbue and Anysphere; 3 of its 3 listed competitors have raised funding.

Company details

Letta is engaged in providing platforms and tools for creating and managing stateful AI agents with advanced memory capabilities. The company offers solutions like Letta Cloud for scalable agent deployment, Agents API for integration, and the Agent Development Environment for real-time testing and visualization. Their technology is backed by research from AI PhDs at UC Berkeley, focusing on context and memory management. Letta serves developers and businesses looking to build production-ready AI applications across various sectors.

  • Headquarters San Francisco, United States
  • Founders Charles Packer, Sarah Wooders
  • Sectors
    Technology
  • Email
    β€’β€’β€’β€’β€’β€’β€’β€’
  • Website letta.com
  • Social LinkedIn X YouTube
Key Metrics

Products & Services of Letta

Letta offers a comprehensive portfolio of products and services, including Letta Cloud, Agents API, and Agent Development Environment (ADE).

Letta Cloud
AI Platform

Platform for creating and managing AI agents.

Agents API
API Service

API for integrating stateful AI agents easily.

Agent Development Environment (ADE)
Development Tool

Tool for visualizing and testing agent states.

Apps and channels of Letta

its YouTube channel Letta has 2.6K subscribers and 30 videos.

Letta
YouTube 2.6K subscribers 30 videos Howto & Style
Open channel

Videos from Letta

The most watched videos on Letta's YouTube channel, Letta (2.6K subscribers). Click a video to play it here.

Exploring Claude Sonnet 4.5's powerful new memory tool
46.4K views
Introduction to Letta
15.1K views
Agent Development Environment (ADE) Walkthrough
8K views
Creating a Letta agent in Python
3.9K views

More on Letta.

Funding Insights of Letta

  • Total Rounds 1
  • Last Round Unspecified β€” $10M
  • First Round $10M

    (Sep 2024)

  • Investors Count 10

All 1 funding rounds of Letta with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.

DateAmountTransaction NameValuationLead InvestorsInvestors
Sep 2024$10MUnspecified–Felicis Ventures
Valuation history

10 investors in total: 3 institutional and 7 angel.

Investors in Letta

Letta has secured backing from 10 investors, including venture fund and angel investors. Prominent investors backing the company include Felicis Ventures, Essence VC and Sunflower Capital.

All
Venture Fund
Angel
InvestorDescriptionFounded YearDomainLocation
Investments in technology startups are made by Felicis Ventures.
felicis.comMenlo Park, United States
Early-stage venture capital is provided by Essence VC, focusing on infrastructure startups.
essencevc.fund
sunflowercapital.tcc.mode

Jeff Dean

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Clem Delangue

Co-founder & CEO of Hugging Face, active angel investor in AI startups
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Cristobal Valenzuela Barrera

Co-founder of Runway, AI research innovator, active angel investor
unknown_cbbc197b40554d8bb

Jordan Tigani

Angel investor, ex-Google engineer, founder of SingleStore, active in tech startups
unknown_241498ff14554f08a

Tristan Handy

Angel investor, tech enthusiast, focused on Indian startups and SaaS
unknown_c957fa9998824162a

Robert Nishihara

Co-founder of Anyscale, AI infrastructure expert, active angel investor in tech startups
unknown_e3936ae96fff4ce1b

Barry Mccardel

Indian angel investor with focus on early-stage tech startups.
unknown_7187fa568fce4a9d9
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Investor details for Letta

The complete investor list, round-by-round participation and investor portfolios require an active premium plan.

  • Complete investor list
  • Round participation
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Verified entity values are shown only after access is granted.

People of Letta

2 people are tracked at Letta (2 in leadership).

NameRoleGroup
Charles Packer
Co-Founder & CEOLeadership
Sarah Wooders
Co-Founder & CTOLeadership
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Complete people profiles for Letta

Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.

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Timeline of Letta

2 dated milestones of Letta across 27 years, from founding to its latest funding, stage changes and deals.

  1. Founded Letta is founded.
  2. Funding First funding round of $10.0M.

Competitors of Letta

Letta has 3 listed competitors in our database, 3 of them funded. They include Together AI, Imbue and Anysphere.

Company NameDomainFoundedHQ LocationTotal fundingEmployeesDescription
together.ai2022San Francisco, United States$1.33B
AI research and model development services
imbue.com2020San Francisco, United States$232M
Imbue is focused on building AI-driven coding environments.
anysphere.inc2022San Francisco, United States$1.08B
AI tools and assistants to augment human capabilities
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Detailed competitors of Letta

The full competitor set, operating metrics and side-by-side benchmarks require an active premium plan.

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Verified entity values are shown only after access is granted.

Web traffic of Letta

The website of Letta (letta.com) receives about 141.9K visits a month.

  • Monthly visits
    141.9K

    ▲ 10.5% vs previous month

Similar websites

Websites whose visitors overlap most with Letta. Affinity shows how closely the audiences match.

WebsiteDomainAudience affinityMonthly visitsGlobal rankProfile
huggingface.co
100%
24.9M#1,689View details
notion.so
98%
178.3M#160View details
ai-supremacy.com
ai-supremacy.com
93%
#508,669–
stack-ai.com
89%
167.9K#238,039View details
codiste.com
89%
12.8K#1,968,221View details
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
Premium access

All 30 similar websites and full traffic analytics for Letta

The complete similar-websites list, audience overlap and engagement analytics require an active premium plan.

  • 30 similar websites
  • Audience overlap
  • Engagement analytics
  • Traffic by brand

Verified entity values are shown only after access is granted.

Top companies in AI Core Platforms & Infrastructure

3 companies that operate in the same segment as Letta (AI Core Platforms & Infrastructure) in United States, ranked by their profile score on The Company Check.

CompanyDescriptionFoundedLocationTotal fundingRevenueEmployees
Platform that provides data analysis and management solutions
2003Denver, Colorado, United StatesUSD 2.46 BUSD 2.87 B5,915
OpenAI is engaged in developing advanced artificial intelligence technologies.
2015San Francisco, California, United StatesUSD 180.07 B11,115
AI models and chatbots are offered for industry applications.
2021San Francisco, California, United StatesUSD 132.31 B6,146
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Related news about Letta

Letta Raises $10M in Seed Financing
Finsmes β€’ 2 years ago
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Complete news archive for Letta

Full article history, source details, and older brand coverage require an active premium plan.

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Frequently Asked Questions about Letta

Letta was founded in 1997 and raised its 1st funding round 27 years after it was founded.

Letta is headquartered in San Francisco, United States. It is registered at San Francisco, California, United States.

Charles Packer is the CEO of Letta, as recorded in our data. They have also founded this company.

Letta is engaged in providing platforms and tools for creating and managing stateful AI agents with advanced memory capabilities. The company offers solutions like Letta Cloud for scalable agent deployment, Agents API for integration, and the Agent Development Environment for real-time testing and visualization. Their technology is backed by research from AI PhDs at UC Berkeley, focusing on context and memory management. Letta serves developers and businesses looking to build production-ready AI applications across various sectors.

Letta's top competitors include Together AI, Anysphere and Imbue.

Letta offers Letta Cloud, Agents API, and Agent Development Environment (ADE).

Letta has 10 investors. Key investors include Felicis Ventures, Essence VC, Sunflower Capital, Jeff Dean, and Clem Delangue.

The website of Letta receives about 142 thousand visits a month.

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