Cartesia

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Real-time text-to-speech, speech-to-text, and enterprise voice agent tools built on state space models for interactive AI.

Website:https://cartesia.ai/
Added on:Jul 13, 2026
Monthly Visitors:
401.0K
Social & Email:
text-to-speechspeech-to-textvoice agentsstate space modelsreal-time speechenterprise AI
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Cartesia
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Tool Information

What is Cartesia?

Cartesia is a platform that delivers ultra-low-latency speech models and voice agent infrastructure for live, synchronous interactive intelligence applications designed to learn and interact like humans. It centers on Sonic text-to-speech, Ink speech-to-text, and Line voice agents, all built on State Space Models that support real-time performance, long-context reasoning, and efficient scaling across cloud, on-premise, and on-device environments.

Core Features

  • Sonic Text-to-Speech

    Real-time text-to-speech model purpose-built for voice agents, described as the fastest and most realistic speech generation option with no tradeoffs between quality and speed.

  • Ink Speech-to-Text

    Streaming speech-to-text transcription model described as the fastest and most accurate for real-time use.

  • Line Voice Agents

    Platform for building and shipping enterprise voice agents that are fast, customizable, integrate with existing systems, handle complex conversations, and deploy at any scale, powered by Sonic and Ink models.

  • State Space Models (SSMs)

    Foundation model architecture that enables ultra-low latency, long-context reasoning, and greater efficiency at scale for live synchronous interactions.

  • Multi-Environment Deployment

    Same models and agents available across cloud with regional API endpoints, on-premise, and on-device deployments, with in-region inference to support latency, data residency, and compliance needs.

Use Cases

  • #1

    Financial Services Voice Agents

    Customer support, fraud detection, real-time outbound verification calls on suspicious transactions, and step-up authentication to improve customer experience, enhance security, and streamline operations.

  • #2

    Healthcare Voice Agents

    Voice agent applications tailored for the healthcare industry.

  • #3

    Government Voice Agents

    Voice agent applications for government use cases.

  • #4

    Enterprise Voice Agent Production

    Building, customizing, and deploying production voice agents that integrate with existing systems and handle complex conversations at scale.

Best for:Enterprise teams building voice agentsFinancial services organizationsHealthcare organizationsGovernment organizationsDevelopers accessing models via API and SDKs

Pricing Plans

A Pricing page is linked on the site but no pricing model, tiers, or costs are described in the provided official snapshot.

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Frequently Asked Questions

What is Cartesia?
Cartesia is a platform that provides real-time text-to-speech, speech-to-text, and enterprise voice agent tools built on state space models to power live, interactive AI applications that learn and interact like humans.
What core models does Cartesia offer?
Cartesia offers Sonic for real-time text-to-speech, Ink for streaming speech-to-text, and Line as a platform for building enterprise voice agents, all supported by State Space Models.
Where can Cartesia models and agents be deployed?
The same models and agents are available across cloud (with regional API endpoints), on-premise, and on-device deployments, with in-region inference for latency, data residency, and compliance requirements. Access is also provided via API and SDKs.
Who is Cartesia designed for?
Cartesia targets enterprise teams building voice agents, financial services organizations, healthcare organizations, government organizations, and developers who access models via API and SDKs.
Is pricing information publicly detailed?
A Pricing page is linked on the official site, but no pricing model, tiers, free trial details, or costs are described in the available official snapshot. Contact Cartesia for current details.

Cartesia Contact & Social Media

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Tool Information

Pricing ModelUnknown
CategoryAudio
Tags
text-to-speechspeech-to-textvoice agentsstate space modelsreal-time speechenterprise AI
LanguageEnglish
Last UpdatedJul 16, 2026
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