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Cartesia

Curated

Low-latency speech models and voice agents for developers

Cartesia preview

About Cartesia

Cartesia builds speech models and voice agents that run fast enough for live conversation. Its text-to-speech, speech-to-text and agent products are sold mainly to developers and companies that use an API.

What it does

Cartesia offers Sonic for text-to-speech, Ink for streaming speech-to-text, and Managed Agents for phone calls. The models are built on state space architectures. The company offers regional cloud endpoints, as well as on-premise and on-device options for teams with data residency or latency needs. Teams can build voice products on the API or ask sales for an enterprise deployment.

Key features

  • Streaming text-to-speech with Sonic
  • Streaming speech-to-text with Ink
  • Managed voice agents for phone calls
  • Regional cloud endpoints
  • On-premise and on-device options

Who it's for

Engineering teams building customer service bots, call automation and voice features in apps. Enterprises that need in-region processing or on-site hosting will find the deployment options relevant.

Pricing and good to know

Managed Agents are listed with a per-minute price on the site, and there is a contact sales route for larger deals. Check the pricing page for current rates. Latency and cost depend on the model, region and call volume.

Highlights

  • Generate speech from text in real time
  • Transcribe streaming audio to text
  • Run voice agents that answer phone calls
  • Deploy in a cloud region or on-premise
  • Call the models through an API

Ratings & reviews

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