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Cartesia

Cartesia

Private
San Francisco, CaliforniaAI, Data & Cloud Infrastructurehttps://www.cartesia.ai/

Last Round

Series B

Oct 28, 2025

Total Funding Raised

$191M

Momentum

Top 25%

of companies Caplight tracks

Company Overview

Cartesia is an artificial intelligence company that develops real-time, multimodal foundation models and voice AI platforms using State-Space Model (SSM) architecture.

Sector

AI, Data & Cloud Infrastructure

Verticals

NLP & Conversational AI, Cloud Infrastructure, Customer Experience

Business Model

B2B

Customer Profile

Usage-Based SaaS, Subscription SaaS

AI Layer

Foundation

Keywords

generative audiotext-to-speechTTSconversational AIvoice AIlow-latency audiovoice cloningAI voice agentspeech synthesisAPI platformvoice conversionusage-based billingreal-time streamingAI infrastructurefoundation model

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Caplight Momentum Score

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Cartesia Comparables

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Cartesia comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Hume
85%
Hume AI
85%
Smallest.ai
84%

Cartesia Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series BOct 28, 2025
Series AMar 11, 2025
SeedDec 12, 2024

Key People

Founding team and executive leadership

Karan Goel

Founder CEO

Founding Team

Cartesia Investors

Notable investors and investment history

Cartesia investors
InvestorRounds
SV AngelSeed
ConvictionSeed
General CatalystSeed
Samsung Venture InvestmentSeries A
GreycroftSeries A
Dell Technologies CapitalSeries A
FactorySeries A

Market signals

Structured signals derived from secondary market and firmographic data.

  • Mar 19, 2026

    Launched Mamba-3 with an inference-first approach.

  • Nov 30, 2025

    Launched the revolutionary Sonic model in collaboration with Famulor.

Cartesia Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
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Cartesia Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about Cartesia's valuation, stock price, and market status.

Firmographic Details

HeadquartersSan Francisco, California
Employee Range140
Year Founded2023
Last FundingOct 28, 2025

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