How much funding has Cartesia raised?

Cartesia has raised $91.0M in total funding, most recently a Series A round.

Who are Cartesia's investors?

Cartesia's investors include Index Ventures, Kleiner Perkins, Lightspeed VP, Factory, Greycroft, Dell Technologies Capital.

Where is Cartesia headquartered?

Cartesia is headquartered in San Francisco, United States.

What industry is Cartesia in?

Cartesia operates in Artificial Intelligence, Deep Tech, Machine Learning.

Cartesia

Voice AI like you've never heard before

San Francisco, United States · Founded 2023 · $91.0M raised

Artificial Intelligence

Deep Tech

Machine Learning

Headquarters: San Francisco
Employees: 51–200
Founded: 2023
Business Model: B2B

Website: cartesia.ai
Total Funding: $91.0M
Last Round: $64.0M Series AMar 2025
Rounds: 2

About

Cartesia is an AI company building next-generation real-time speech and multimodal intelligence models. Its flagship product, Sonic, is a streaming text-to-speech API delivering sub-100ms latency across 40+ languages, making it the industry standard for low-latency voice AI. Cartesia pioneered the use of State Space Models (SSMs) for foundation model development, enabling ultra-fast, expressive voice generation with natural laughter, emotion, and multilingual support. The company serves industries including healthcare, customer service, gaming, and enterprise applications, and offers instant and professional voice cloning capabilities. Cartesia also provides Line, a voice agent development platform for building production-grade conversational AI.

Summary

Cartesia is an Artificial Intelligence company based in San Francisco, United States, founded in 2023. It has raised $91.0M in total across 2 rounds, most recently a $64.0M Series A round in Mar 2025. Investors include Index Ventures, Kleiner Perkins and Lightspeed VP.

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