When was Letta founded?

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

Where is Letta located?

Letta is headquartered in San Francisco, United States.

Who is the current CEO of Letta?

Charles Packer of Letta. They have also founded 1 company.

How many employees does Letta have?

As of Jun 30, 2026, the latest employee count at Letta is 17.

Is Letta a funded company?

Letta is a funded company, having raised a total of $***** in its 1st and only funding round, a Unattributed round on Sep 23, 2024.

How much is Letta worth?

The latest valuation of Letta is $***** as of Sep 23, 2024.

When was the latest funding round of Letta?

Letta's latest funding was a $***** Unattributed round on Sep 23, 2024, with participation from 10 investors. Its primary sector is AI Infrastructure. In United States, the AI Infrastructure sector has seen $248B in funding in 2026 to date.

Where does Letta rank among its competitors?

Letta ranks 8th amongst 1758 active competitors, of which 112 are funded. It stands 9th in terms of total funding among its competitors. The most recent competitor to raise funding was Fireworks, which secured $1.5B in Jul, 2026.

Who are the top competitors of Letta?

Letta's top competitors include Fireworks, Goodfire and Cartesia. Among them, Fireworks secured the most recent funding round in July, 2026.

Letta - 2026 Company Profile, Team, Funding & Competitors

Letta is an early stage company based in San Francisco (United States), founded in 1997 by Sarah Wooders and Charles Packer. It operates as a Developer of a memory-first agent accessible through desktop and CLI. Letta has raised $10M in funding from Felicis Ventures, with a current valuation of $*****. The company has 1758 active competitors, including 112 funded and 16 that have exited. Its top competitors include companies like Fireworks, Goodfire and Cartesia.

Company Details

Developer of a memory-first agent accessible through desktop and CLI. The agent is designed for personalized experiences, evolving with user interactions. It utilizes background memory subagents to improve prompts, context, and skills over time. The agent's memory can be viewed, modified, and ported across different models.

Website: letta.com
Social
Email ID: *****@letta.com, *****@letta.com, *****@letta.com

Key Metrics

Founded Year

1997

Location

San Francisco, United States

Stage

Early Stage

Total Funding

$10M in 1 round

Latest Funding Round

Unattributed, Sep 23, 2024, $*****

Post Money Valuation

$***** as on Sep 23, 2024

Investors

Felicis Ventures & 9 more

Ranked

8^th among 1758 active competitors

Employee Count

17 as on Jun 30, 2026

Similar Companies

Fetch.ai & 2283 more

View Letta's full profile

Letta has raised a total funding of $10M over 1 round. Its latest funding round was a Unattributed round on Sep 23, 2024 for $*****. 10 investors participated in its latest round. Letta has 3 institutional investors and 7 angel investors.

Here is the list of recent funding rounds of Letta:

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Sep 23, 2024	1292698	Unattributed	7832034	1139943	2553916	8544314

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View details of Letta's funding rounds and investors

The founders of Letta are Sarah Wooders and Charles Packer. Charles Packer is the CEO of Letta.

Here are the details of Letta's key team members:

Sarah Wooders: Co-Founder & CTO of Letta and founder of 2 other companies, MemGPT and Glisten AI.
Contact Info: 2 email addresses
Charles Packer: Co-Founder & CEO of Letta and founder of 1 other company.
Contact Info: 2 email addresses

View details of Letta's Founder profiles and Board Members

Letta's employee count trend

Letta has 17 employees as of Jun 26. Here is Letta's employee count trend over the years:

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Top competitors of Letta include Fireworks, Goodfire and Cartesia. Here is the list of Top 10 competitors of Letta, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Fireworks 2022, Redwood City (United States), Series D	Generative AI platform as a service for accelerating product innovation and disruption	$1.81B	Index Ventures, TCV & 26 others	71/100
2nd	Goodfire 2024, San Francisco (United States), Series B	Interpretability tooling for generative AI models	$209M	B Capital, Lightspeed Venture Partners & 12 others	70/100
3rd	Cartesia 2023, San Francisco (United States), Series A	Provider of real-time text-to-speech API with AI laughter and emotion	$86M	Kleiner Perkins, Index Ventures & 10 others	67/100
4th	Bria 2020, Tel Aviv (Israel), Series B	Provider of licensed data-trained AI platform for visual content generation	$65M	GFT Ventures, Red Dot Capital Partners & 13 others	66/100
5th	MiniMax 2022, Singapore (Singapore), Public	Developer of AI models for text, speech, video, and music generation	$1.15B	Alibaba Group, Gaorong Capital & 7 others	62/100
6th	Arcee.ai 2023, Miami (United States), Series A	Platform to train, and deploy language models	$29.5M	Emergence Capital, Prosperity7 Ventures & 8 others	62/100
7th	Braintrust 2023, San Francisco (United States), Series B	Provider of an AI observability platform for building quality AI products	$121M	Greylock Partners, Iconiq Capital & 15 others	61/100
8th	Letta 1997, San Francisco (United States), Early Stage	Developer of a memory-first agent accessible through desktop and CLI	$10M	Felicis Ventures, Essence VC & 8 others	60/100
9th	Grok 2023, United States, Unfunded	AI-powered assistant for generating answers and creating documents	-	-	58/100
10th	Guide Labs 2023, San Francisco (United States), Seed	Platform developing interpretable foundation models	$18.8M	Initialized Capital, Pioneer Fund & 10 others	58/100