Identity
- Type
- startup
- Country label
- USA
- HQ country
- USA
- Founding country
- USA
- Parent
- not in the notes
- Parent country
- not in the notes
- Country basis
- secondary
Where this comes from
Convention D1: a dual label, HQ first, when the HQ, founding or parent country differ.
Models by Class
Models
ModelClassOpennessParametersReleased
Sonic 3.6speech synthesisAug 2026Sonic 3.5speech synthesisMay 2026Sonicspeech synthesis–Links
OrganisationCartesiastartup, USA
Cartesiastartup, USAModelsSonic 3.6Cartesia, speech synthesisSonic 3.5Cartesia, speech synthesisSonicCartesia, speech synthesis
Sonic 3.6Cartesia, speech synthesisSonic 3.5Cartesia, speech synthesisSonicCartesia, speech synthesisUse Casesnone recorded
Who Runs Itnone recorded
Scores
| Benchmark | Model | Score | Who ran it | Setting |
|---|---|---|---|---|
| Artificial Analysis Text-to-Speech Arena | Sonic 3.6 | 1,284 Elo | independent |
Where this comes from
Every recorded score of this organisation's models, with who ran it. Scores from different settings are not directly comparable.
Sources
- Cartesia Quick Facts | Contrary Research research.contrary.com https://research.contrary.com/company/cartesia/quick-facts
- Sonic 3.6 - Cartesia Docs docs.cartesia.ai https://docs.cartesia.ai/build-with-cartesia/tts-models/latest
To cite this page: Project AURION, AI Use-Cases Research & Innovation, "Cartesia", https://aurion.semai.id/organisations/cartesia/, records of October 2026.