# Cartesia

> Real-time speech synthesis, transcription, and voice agent platform

Source: https://dailyaitools.ai/tools/cartesia/ (dailyaitools, a tracker of AI tools; no ratings or reviews)

## Key facts

- Category: Audio
- Price: Free plan, then $5/mo
- Free plan: Yes, free plan, then $5/mo
- Works on: Web, API
- Integrates with: Slack
- Website: https://cartesia.ai
- Verification: Checked against the vendor's pages on October 26, 2026, prices included.

## What it is

Cartesia creates foundation voice models based on State Space Models (SSMs) such as Mamba and H-Nets for low-latency live interactions. The system delivers streaming transcription via Ink, realistic speech synthesis via Sonic, and agent creation tools via Managed Agents. All plans include unlimited workspace seats, with subscription options ranging from a free tier up to $299 per month alongside custom enterprise packages.

## Plans

| Plan | Price | Free-plan limit or note |
| --- | --- | --- |
| Free | Free | 20K credits / month |
| Pro | $5/mo | 100K credits / month |
| Startup | $49/mo | 1.25M credits / month |
| Scale | $299/mo | 8M credits / month |
| Enterprise | Custom | Custom pricing |

Prices as printed on https://www.cartesia.ai/pricing. Nothing is converted or annualized.

## Features

- Sonic-3.6 text-to-speech model
- Ink-2 streaming speech-to-text transcription
- Managed Agents for building and shipping voice agents
- Cloud, on-premise, and on-device deployment options
- Instant and professional voice cloning

## Good fit for

- Building real-time conversational voice agents
- Low-latency streaming speech transcription and generation
- Deploying voice AI models on-premise or on-device

## Questions

### Is Cartesia free?

Yes, Cartesia has a free plan (20K credits / month), as of October 26, 2026. Paid plans start at $5/mo.

### How much does Cartesia cost?

As of October 26, 2026, Cartesia lists 5 plans: Free, Pro at $5/mo, Startup at $49/mo, Scale at $299/mo, Enterprise (custom pricing).

### What deployment environments does Cartesia support?

Cartesia supports regional cloud API endpoints, on-premise servers, and on-device deployments.

### What underlying model architecture powers Cartesia?

Cartesia uses State Space Models (SSMs), including Mamba and H-Nets, for low-latency and long-context processing.

### Does Cartesia support voice cloning?

Yes, Cartesia offers instant voice cloning on Pro and higher plans, as well as professional voice cloning options.

## Sources

- https://cartesia.ai
- https://www.cartesia.ai/pricing

Listed August 21, 2026, updated September 3, 2026.