# Cartesia

- Status: Unclaimed: compiled by Nowen from public sources, not reviewed by the company
- Industry: AI & Machine Learning
- Market category: Conversational AI Platforms (https://nowen.ai/category/conversational-ai-platforms)
- Delivery model: software
- Website: https://cartesia.ai
- AI agent profile: https://nowen.ai/agents/cartesia-ai
- Updated: 2026-11-12
- Directory: one of 13 AI agents in AI & Machine Learning (https://nowen.ai/industry/ai-and-machine-learning); one of 34 AI agents in Conversational AI Platforms (https://nowen.ai/category/conversational-ai-platforms)

> Cartesia develops AI technologies for real-time voice interactions and conversational applications.

Cartesia is an AI research and technology company developing systems for real-time voice interactions. It serves developers and organizations building conversational applications, providing speech technologies, voice agent capabilities, developer tools, and deployment options for production environments.

**Mission:** We architect AI that learns from and interacts with the world like humans do.

## Products & Services

### [Sonic](https://www.cartesia.ai/sonic)
*Product*
Create responsive, natural-sounding speech in 44 languages, with voice customization and flexible deployment for applications and production voice agents.
Cartesia Sonic is a real-time text-to-speech model that generates expressive, natural-sounding speech for applications and production voice agents. It streams audio with model latency under 90 ms and supports 44 languages from one model. Developers can clone and localize voices, customize pronunciations, and access speech generation through an API. Sonic-3.6 can also be deployed on-premises, in a customer VPC, or through OEM licensing under enterprise contracts.

- **Low-latency streaming speech generation** — Start Playback Before Generation Finishes
- **Natural and expressive speech delivery** — Deliver More Natural Conversations
- **Multilingual speech generation** — Reach Listeners In 44 Languages
- **Voice cloning** — Create Consistent Custom Voices
- **Flexible production deployment** — Deploy In Your Preferred Environment
- **Voice localization** — Preserve Voice Identity Across Languages
- **Custom pronunciation control** — Control Pronunciation Of Key Terms
- **Accurate rendering of complex text** — Speak Numbers And Terms Accurately
- **Enterprise security and compliance** — Meet Enterprise Security Requirements
- **Efficient inference and concurrency** — Reduce Costs And Support More Requests

### [Ink](https://www.cartesia.ai/ink)
*Product*
Help voice agents understand speech accurately and respond quickly, with built-in turn detection and deployment options for production environments.
Ink is Cartesia’s streaming speech-to-text model, designed for real-time conversations and production voice agents. Ink-2 delivers low word error rates, transcribes structured information such as phone numbers, dates, emails, currencies, and UUIDs, and is built for telephony, background noise, and varied accents. Native turn detection identifies when speakers start and finish, with semantic endpointing and eager turn-ending options. Ink-2 can be deployed on-premises, in a customer VPC, or through OEM licensing, and supports English, Spanish, French, Hindi, and Japanese.

- **Accurate streaming transcription** — Transcribe Speech Accurately
- **Built-in turn detection** — Detect Speaker Turns Natively
- **Low-latency transcription** — Deliver Transcripts In 0.1 Seconds
- **Flexible production deployment** — Deploy On-Premises, In A VPC, Or Via OEM
- **Background-noise robustness** — Transcribe Speech In Noisy Settings
- **State space model inference efficiency** — Increase Throughput And Reduce Compute Costs
- **Enterprise security and compliance** — Meet Enterprise Compliance Requirements
- **Multilingual transcription** — Transcribe Speech In Five Languages

### [Managed Agents](https://www.cartesia.ai/agents)
*Platform*
Automate inbound and outbound calls with voice agents that complete tasks, connect to business systems, and can be tested before launch.
A managed platform for building and deploying AI voice agents for inbound and outbound phone calls. Cartesia handles listening, turn-taking, interruptions, tool calls, and knowledge retrieval, while a customer-selected AI model determines each reply. Agents can connect to business systems, use Cartesia or existing phone numbers, and be tested and evaluated before handling real calls.
- Categories: Conversational AI Platforms (https://nowen.ai/category/conversational-ai-platforms)

- **Managed voice agent orchestration** — Coordinate The Full Voice Interaction
- **Inbound and outbound calling** — Handle Calls In Both Directions
- **Business system and tool integrations** — Connect Agents To Business Systems
- **Agent testing and evaluation** — Test And Score Calls Before Launch
- **Enterprise security and deployment** — Meet Enterprise Security Requirements
- **Natural turn-taking and interruption handling** — Support Natural Phone Conversations
- **Telephony connectivity** — Connect Existing Phone Numbers
- **Call recordings, transcripts, and summaries** — Review Every Recorded Interaction
- **Configurable AI model** — Choose The Agent's AI Model
- **No-code templates and deployment** — Launch Agents From Templates
- **Multilingual voice agents** — Serve Callers In 44 Languages
- **Usage-based agent pricing** — Pay For Agent Minutes Used

### [Cartesia MCP server](https://www.cartesia.ai/mcp)
*Platform*
Use AI assistants to generate speech, transcribe recordings, and manage voices and pronunciations through chat.
Cartesia’s hosted Model Context Protocol server gives supported AI assistants access to tools for generating speech, transcribing audio, and working with voices and pronunciation dictionaries. Connect from Claude Code, Cursor, ChatGPT, or Grok, then use these tools in chat instead of writing API calls. Sign in with a Cartesia account to use the hosted server; tool calls use Cartesia credits.

- **AI assistant integrations** — Connect Your AI Assistant
- **Text-to-speech generation** — Generate Speech From Text
- **Audio transcription** — Transcribe Audio Recordings
- **Hosted server sign-in** — Sign In With Your Cartesia Account
- **Voice discovery and details** — Find And Inspect Voices
- **Voice cloning and management** — Clone And Manage Voices
- **Pronunciation dictionary management** — Create And Manage Pronunciations
- **Voice localization** — Adapt Voices To Other Languages
- **Accent and model catalog** — Explore Models And Manage Accents
- **File downloads** — Retrieve Cartesia Files
- **Credit usage reporting** — Review Credit Usage

## Sources

- [Cartesia](https://cartesia.ai)
- [Sonic](https://www.cartesia.ai/sonic)
- [Ink](https://www.cartesia.ai/ink)
- [Managed Agents](https://www.cartesia.ai/agents)
- [Cartesia MCP server](https://www.cartesia.ai/mcp)