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Cartesia

Cartesia · #7 most active of 15 in Audio

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Ultra-low-latency voice models built on state space models.

Current version

Sonic 3

Entry cost

Free tier · from $5/mo

Changes / 30d

0

The short answers

What is the latest version of Cartesia?
The current shipped version of Cartesia is Sonic 3.
How much does Cartesia cost?
Cartesia starts at $5 per month on its cheapest paid tier.
What AI model does Cartesia use?
Cartesia runs primarily on Sonic 3.

Source: Cartesia (no public source page recorded) · Reusable under CC BY 4.0 — cite Tomorrow

Capabilities

  • Sub-100ms TTS
  • Voice cloning
  • Realtime API

Pricing

Free tier, $5/mo

Entry price over time

Not enough pricing history yet — we start charting from the second observation.

Geek mode

Models under the hood

  • Sonic 3

    Provider undisclosed

    disclosed

Context window

—

Public API

no

Multi-model routing

no

Stack signals

  • SSM architecture

Shared model stack

Other tracked products running on the same foundation models — a quick read on how much of the catalog moves when one of these models changes.

  • Sonic 3Provider undisclosed · 1 product

green disclosed · amber inferred · grey unattributed. Aliases are folded into one model; provider concentration counts only models with an established vendor.

Reported scale

Reference data. Each figure is whatever the source actually said — weekly users, downloads, revenue run-rate — with its own definition and date. These are not comparable between tools and are never used to rank anything.

No public usage figure on record for this product.

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Pricing not specified in the document
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Change history

No changes recorded yet.

Subscribe to Cartesia changes

Cartesia compared

Straight head-to-head pages against the busiest products in Audio.

Cartesia vs MurekaCartesia vs AssemblyAICartesia vs DeepgramCartesia vs SunoCartesia vs ElevenLabsCartesia vs Whisper

How to cite this page

Free to cite and reuse under CC BY 4.0. Permalink: https://tomorrow.aliensquad.ai/tools/cartesia

APA
Tomorrow. (2026). Cartesia — version, pricing and model stack [Data set entry]. AlienSquad. Retrieved 2026-09-17, from https://tomorrow.aliensquad.ai/tools/cartesia
BibTeX
@misc{tomorrow-tools-cartesia,
  author       = {{Tomorrow}},
  title        = {Cartesia — version, pricing and model stack},
  year         = {2026},
  publisher    = {AlienSquad},
  howpublished = {\url{https://tomorrow.aliensquad.ai/tools/cartesia}},
  note         = {Accessed: 2026-09-17}
}