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Cartesia

AI · San Francisco, United States · Founded 2023

Cartesia is building next-gen foundation models using new subquadratic architectures pioneered by our team at Stanford and CMU MoreLess

Cartesia.ai is an innovative startup focused on developing advanced artificial intelligence (AI) models. The company specializes in creating next-generation foundation models, which are the underlying AI systems that can be adapted for various applications. These models are built using new subquadratic architectures, a type of design that allows for faster and more efficient processing. Cartesia's team, which includes experts from prestigious institutions like Stanford and Carnegie Mellon University (CMU), is at the forefront of this technology.

The primary clients for Cartesia.ai are businesses and research institutions that require cutting-edge AI capabilities. These clients operate in various sectors, including technology, finance, healthcare, and more. By providing these advanced models, Cartesia helps its clients improve their operations, make better decisions, and innovate more effectively.

Cartesia operates in the highly competitive AI and machine learning market. This market is characterized by rapid technological advancements and a high demand for efficient and powerful AI solutions. Cartesia's unique approach, leveraging state space models and other advanced architectures, sets it apart from competitors who primarily use traditional Transformer models.

The business model of Cartesia.ai revolves around the development and licensing of its AI models. The company releases some of its models, like the Mamba 3B SlimPJ, under open-source licenses such as Apache 2.0. This strategy allows developers and organizations to use and build upon Cartesia's technology, fostering a community of users and contributors. Additionally, Cartesia may generate revenue through partnerships, custom AI solutions, and consulting services.

In summary, Cartesia.ai is a forward-thinking AI startup that develops advanced foundation models using innovative architectures. It serves a diverse range of clients in various industries, operates in the dynamic AI market, and generates revenue through licensing, partnerships, and services.

Keywords: AI models, subquadratic architectures, foundation models, state space models, Stanford, CMU, Mamba 3B SlimPJ, open-source, licensing, partnerships.

Valuation $100–500M
Revenue $1–10M
Headcount 100–500
Total funding $100–500M
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Company overview

Cartesia company information

The essential company record, classifications and operating signals in one place.

Status
Operational
Founded
2023
Headquarters
San Francisco, United States
Employees
122
Open positions
15
Dealroom signal
94.4
client focusb2btechnologyArtificial IntelligencetechnologyDeep Techbusiness modelSaaSsectorCore AIsectorText RecognitionsectorSpinoutsectorEdge ComputingsectorNovel AIsectorGenerative AIsectorgenAI Model MakersectorVoice TechsectorAI Model Makersectorai model layer

Valuation & funding

Cartesia funding history

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
LATE VCOther financing Nov 2025 $100M $400M Index Ventures · Lightspeed Venture Partners · Nvidia · Kleiner Perkins
SERIES AOther financing Mar 2025 $64M $256M Lightspeed Venture Partners · Greycroft Partners · Dell Technologies Capital · TheFactory
SEEDOther financing Dec 2024 $27M $108M General Catalyst · SV Angel · Conviction · Lightspeed Venture Partners
SPINOUTOther financing Jan 2023 $0 Stanford University
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Financials

Revenue and workforce over time

Available revenue and workforce history. Fields without reported data are omitted.

YearRevenueGrowthEmployees
2026 $1.2M 0% 122
2025 $1.2M 0% 72
2024 $1.2M 33
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Growth signals

Cartesia website traffic

Latest recorded traffic for Cartesia is 780K monthly website visits, up 105.3% over the last three months. Cartesia's team grew 69.4% over the past year.

Latest monthly visits780K 3-month web change+105.3% 1-year team growth+69.4%
Monthly website visits27 observations · May 2024–Jul 2026
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Comparisons

Cartesia compared with similar companies

Dealroom’s weighted taxonomy model identifies the closest operating peers. Company identity and context stay open; selected comparison metrics preview what is available in the platform.

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Talent graph

Cartesia's talent

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Team profiled 17 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 5 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Investors

13 investors on Cartesia's cap table

Sourced from Dealroom's funding and investor records. Investor profile links are shown where available.

Series A 4 investors entered at this stage
Series B+ 1 investor entered at this stage
Other known 1 additional known investor
Stanford University

Global footprint

Where Cartesia has talent and traffic

Workforce by country
5 countries with
team presence
🇺🇸 United States91%
🇮🇳 India3.4%
🇬🇧 United Kingdom3.4%
🇨🇭 Switzerland1.1%
🇰🇷 South Korea1.1%
5 countries shown

In the news

Latest news about Cartesia

Recent press, funding announcements, and product moves mentioning Cartesia — open to read from the original sources.

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Market sentiment

What the market is saying about Cartesia

An AI-synthesized read of the highest-engagement posts about Cartesia on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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