Cartesia
Real-time speech synthesis, transcription, and voice agent platform
Worth knowing: Free plan: 20K credits / month
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.
- Category:
- Audio
- Price:
- Free plan, then $5/mo
- Free plan:
- Yes
- Works on:
- Web, API
- Integrates with:
- Slack
- Prices checked:
- , against cartesia.ai
Cartesia pricing
As printed on cartesia.ai on October 26, 2026
Figures are copied from the vendor's own pricing page, never calculated or converted, and a tier we could not confirm is left out rather than estimated. Pricing changes without notice. Check cartesia.ai before you buy ↗
At a glance
- Free trial
- Not listed
- Team plan
- Yes
- Open source
- Not listed
- Self-hostable
- Yes
- Capabilities
- Text-to-speech Speech-to-text Transcription Voice cloning Voice generation AI agents
- Also listed in
- AI meeting notes tools → AI voice and speech tools →
Featured on
Last confirmed: against cartesia.ai. Information may have changed since then; check the vendor before you buy. How we check.
Compare Cartesia
Ordered by how often each comparison is searched, taken from Google's autocomplete suggestions. Pricing on both sides comes from the vendors' own pages.
All Cartesia alternativesWhat Cartesia does well
- ✓ Building real-time conversational voice agents
- ✓ Low-latency streaming speech transcription and generation
- ✓ Deploying voice AI models on-premise or on-device
Key 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
A tool we have an affiliate relationship with. Not a recommendation over Cartesia.

- Generating realistic voiceovers
- Creating custom AI voices
- Translating spoken content
People also ask
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.
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 platforms does Cartesia run on? +
Cartesia runs on Web, API.
What does Cartesia integrate with? +
Cartesia officially integrates with Slack.
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Pricing
We track and organize AI tools. We don't rate them. We link a Product Hunt listing or a Reddit thread when we have confirmed a real one for this tool, and nothing when we haven't.
For the Cartesia team: add a badge to your site
Cartesia was the AI Tool of the Day on August 21, 2026. The badge says that and links here. It is a fact about this listing, not a rating or an award.
Launch post, changelog or press page? The Cartesia kit has a one-line mention, the share card and ready-to-post text.
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