Cartesia
PrivateLast Round
Series B
Oct 29, 2025
Total Funding Raised
$191M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Cartesia operates in AI, Data & Cloud Infrastructure and is based in San Francisco, California. Its latest recorded funding round was a Series B round in October 2025.
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, API Management, Cloud Communications, Content Creation, Gaming
Business Model
B2B
Customer Profile
Usage-Based SaaS, Subscription SaaS
AI Layer
Foundation
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Cartesia Comparables
Compare Cartesia with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Smallest.ai | 89% | |
| Hume AI | 86% | |
| Rime Labs Inc. | 83% |
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Cartesia Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | Oct 29, 2025 | ||||
| Series A | Mar 11, 2025 | ||||
| Seed | Dec 12, 2024 |
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Key People
Founding team and executive leadership
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Cartesia Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| SV Angel | Seed |
| Conviction | Seed |
| General Catalyst | Seed |
| Samsung Venture Investment | Series A |
| Greycroft | Series A |
| Dell Technologies Capital | Series A |
| Factory | Series A |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 24, 2026
Grew 34% QoQ, from 114 to 153 employees.
- Aug 21, 2026
Monthly visitors grew 93% MoM, reaching 775.1K.
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Recent news
Latest coverage and updates
- launchesOct 29, 2026
On Oct 29th '26, Cartesia launches Managed Agents, an end-to-end voice agent platform for enterprises that bundles voice models, speech, tools, and telephony.
- launchesOct 29, 2026
On Oct 29th '26, Cartesia launches Cartesia Managed Agents, an end-to-end voice agent platform for enterprise conversations.
- launchesSep 23, 2026
Cartesia introduces Multilingual Voices on Sep 23rd '26, offering 50+ library voices that speak up to 25 languages natively and enabling multilingual voice clones.
- identified_as_competitor_ofAug 26, 2026
As of Aug 26th '26, Cartesia competes with Sarvam for leadership in India’s voice AI market.
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Cartesia Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
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Frequently Asked Questions
Common questions about Cartesia's valuation, stock price, and market status.
Is Cartesia a public or private company?
Cartesia is a private company.
What is the current stock price of Cartesia?
Cartesia is a private company, so its shares have no public market price. Caplight tracks Cartesia's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Cartesia worth (valuation)?
Valuation information for Cartesia is not publicly available.
Can I buy Cartesia stock?
Cartesia shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Cartesia's last funding round?
Cartesia's most recent funding round was Series B on October 29, 2025.
Who are the main investors in Cartesia?
Key investors in Cartesia include Index Ventures, Kleiner Perkins.
Will Cartesia IPO soon?
No public IPO plans have been announced for Cartesia.
How can I track Cartesia secondary market activity?
Caplight tracks bids, offers, and trades in Cartesia's shares on secondary markets.