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Cartesia

Cartesia is a software company developing real-time multimodal intelligence. Its products include generative voice APIs and the Line development platform.

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Secondary Market Price

Updated: 
Sep 2025
Current Preferred Price
Date:
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Prospect Projected Preferred
Current FMV
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Prospect Projected FMV
~$300M
Company Valuation
Updated: 
Sep 2025
AI
Industry
San Francisco, CA
Headquarters
2023
Year Founded
50+
Employee Count
--

Secondary Market Price

Updated: 
Sep 2025
Current Preferred Price
Date:
Sign in to view
Prospect Projected Preferred
Current FMV
Date:
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Prospect Projected FMV
~$300M
Company Valuation
Updated: 
Sep 2025
AI
Industry
San Francisco, CA
Headquarters
2023
Year Founded
50+
Employee Count
--
Est val ~$300M
+$13.13 (▲50%)
Jan, 2024 - Jan, 2025

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Prospect Projected Future Cartesia Prices

Prospect’s machine learning model has been trained on the same data top-tier investors use to project the likely range of outcomes for Cartesia's equity. Create a free account to view 10th-90th percentile projections over 2, 4, and 6 years.

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Company Description

Cartesia is a software development company that builds real-time, multimodal artificial intelligence tools. The company's primary focus is on generative voice technology, providing an application programming interface (API) and state space models that enable developers to create sophisticated voice interactions for applications like virtual assistants and interactive games. Its products, which include a voice agent development platform named Line and a voice AI product called Sonic, are designed for on-device processing to ensure low latency and privacy. Founded in 2023, the San Francisco-based company has grown to 50 employees and secured significant capital, raising a total of $68.7 million through accelerator, seed, and Series A funding rounds.

The company's recent activities indicate a focus on expansion and integration within the broader AI ecosystem. In March 2025, Cartesia closed a Series A funding round of $64 million, attracting investment from firms including Kleiner Perkins and Dell Technologies Capital. Shortly after, the company was named a 2025 IA40 winner, a distinction recognizing prominent private AI companies. Cartesia has also established partnerships to deploy its technology, such as an integration of its software development kit (SDK) with Cerebras Systems' hosted models to build custom AI agents. Another collaboration involves providing its voice models to power Rox's Command AI chat assistant, which is used for customer work automation.

Cartesia Notable Investors

  • General Catalyst
  • Lightspeed
  • Index Ventures
  • Kleiner Perkins
  • SV Angel

Cartesia Founders

  • Co-Founder, CEO Karan Goel
  • Co-Founder, Chief Scientist Albert Gu
  • Co-Founder, Arjun Desai
  • Co-Founder, Brandon Yang
  • Co-Founder, Chris Ré

Peer Group Comparison

Vs Peer Group of >$4B Startups

Peer Group Comparison

How Cartesia Measures Up

To help you manage your Cartesia equity, Prospect has run the company through our machine learning model.

Prospect Rating

TBD

We are still gathering data to complete our evaluation for Cartesia. Please check back soon for our rating on the company's projected worth four years from now.

Exit Risk

TBD

We are still gathering data on Cartesia to train our machine learning model. Check back soon for our exit risk rating for Cartesia!

Funding Stage

Series A

Since Cartesia is at the Series A stage, they have a proven concept and are now focused on scaling their team and product. This can be a great time to join, as it offers the chance to make a significant impact in a growing company that has already established a solid foundation.

Frequently Asked Questions

Is Anduril worth joining?

Joining Anduril as an employee is another way to acquire equity, typically through stock options included in compensation packages.

Is Cartesia worth joining?

Deciding whether to join a pre-IPO company like Cartesia depends on its growth prospects, financial stability, and the potential value of its equity. Tools like Prospect can help you evaluate startups by providing VC-grade data and projections to make an informed decision.

What should I do with my Cartesia stock?

Managing your stock in a private company like Cartesia involves creating a strategy based on your financial goals and the company's outlook. Platforms such as Prospect offer tools for tax optimization, scenario modeling, and diversification analysis to help you maximize your equity's value.

Can you sell Cartesia stock?

Selling stock in a private company like Cartesia is possible but often subject to company restrictions and limited liquidity. You may be able to sell shares on secondary markets, and resources like Prospect can provide insights into secondary market pricing and tax-optimal selling strategies.

How can I find the value of my Cartesia stock?

The value of stock in a private company like Cartesia is typically determined by its latest 409A valuation or the price set in a recent funding round. You can use a platform like Prospect, which uses VC-grade data and models to help project your equity's potential worth.

What is Cartesia's equity worth?

As a private company, Cartesia's equity value isn't publicly available and depends on factors like its latest valuation, financial performance, and market conditions. To understand its potential worth, you can use resources like Prospect, which analyzes startups using the same data and models as top venture capitalists.

What is Cartesia's stock ticker symbol?

Since Cartesia is a private, pre-IPO company, it does not have a stock ticker symbol. Ticker symbols are only assigned to companies when they become publicly traded on a stock exchange.

Can I buy or sell Cartesia stock?

Buying shares in a private company like Cartesia is generally restricted to employees or accredited investors, and selling is often subject to company approval and limited liquidity. While platforms like Prospect can help you manage and plan the sale of existing equity, they are not marketplaces for buying new shares.

What is the criteria to buy or invest in Cartesia stock?

To invest in a private startup like Cartesia, you typically need to be an employee receiving equity or an accredited investor who meets specific income or net worth requirements. Investment opportunities are usually available through direct participation in funding rounds or on specialized secondary market platforms.

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