Cartesia

Cartesia provides AI models for speech generation, transcription, and production voice agents.

Latest funding

$100M Series B+ · October 28, 2025

Led by Kleiner Perkins · Source: x.com

Total raised: $191M across 3 sourced rounds

All 3 rounds ↓

Website: cartesia.ai.

X: @cartesia · 17,460 followers.

GitHub: cartesia-ai.

LinkedIn: cartesia-ai.

Categories: AI agents Voice and audio AI Sales and marketing.

Sectors: Artificial Intelligence (AI), Audio, Real Time, SaaS, Software.

Stage: Series B+.

Based in: San Francisco, United States.

Founded: 2023.

Total raised: $191M in 3 sourced rounds.

Last round: Oct 28, 2025 · 383 days ago.

Headcount: 101–250 employees.

On Recent Funding since: Sep 29, 2026.

Signals

X account@cartesia · created Sep 23, 2023 (3 years old) · 17,460 followers

Website registeredMay 10, 2023 (3 years old)

About Cartesia

Its products include Sonic for text-to-speech, Ink for speech-to-text, and Managed Agents for voice agents. Cartesia serves customers in industries such as finance, healthcare, and government, offering solutions like fraud detection and real-time outbound verification calls.

TIMELINE · MONEY RAISED

Cartesia | 582 days from website to first raise on record

@cartesia·Raised $191M in 3 sourced rounds·2 signals before the first raise

Money raised, round by round (amounts linked to their source). Pins are dated signals; hover the icons for dates.

Funding rounds

Date	Round	Amount	Lead	Source
Oct 28, 2025	Series B+	$100M	KKleiner Perkins	x.com
Mar 11, 2025	Series A	$64M	KKleiner Perkins	fortune.com
Dec 12, 2024	Seed	$27M	IIndex Ventures	techcrunch.com

Timeline

September 23, 2023
X account created
May 10, 2023
Website created

Founders and team

KG
Karan Goel CEO & Founder

source: cartesia.ai
AG
Albert Gu Chief Scientist & Co-founder

@_albertgu · LinkedIn · source: cartesia.ai
AD
Arjun Desai Co-founder

@jundesai · LinkedIn · source: cartesia.ai
BY
Brandon Yang Co-founder

@bclyang · LinkedIn · source: cartesia.ai
CR
Chris Re Founder

Investors

Companies like Cartesia

DDeepgram$130M Series B+ · Jan 2026
EElevenLabs$500M Series B+ · Feb 2026
SSarvam AI$74M Series B+ · Aug 2026
BBreeze BlueSeed · Aug 2026
AAvoca$125M Series B+ · Apr 2026
VVeriffSeries B+ · May 2025

Other companies backed by Kleiner Perkins

IImprint$400M Series B+ · Nov 2026
CCesiumAstro$730M Series B+ · Nov 2026
TTraversal$120M Series B+ · Nov 2026
AAries$7M Seed · Oct 2026
FFlapping Airplanes$1B Series A · Oct 2026
LLabelbox$100M Series B+ · Oct 2026

Kleiner Perkins portfolio →

Sources and API

Every amount links to the page it came from. * Estimated from an accelerator's published standard deal, not a company-specific disclosure. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/cartesia (get a free API key).