Release
Cartesia releases Sonic-3.6 text-to-speech with Odia, Urdu, and Hindi-English code-switching
On August 27, 2026 Cartesia announced Sonic-3.6, a text-to-speech model that it says arrived two months after Sonic-3.5 and is generally available in its playground and through its API. The announcement says Odia and Urdu are added as new languages. It also describes Hinglish support for switching between Hindi and English in a single generation, better accent retention for instant voice clones, and an optional locale field that controls how dates, times, and numbers are read. The post does not describe a release of model weights. USASI has not tested Sonic-3.6.1
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USASI. (2026, October 13). Cartesia releases Sonic-3.6 text-to-speech with Odia, Urdu, and Hindi-English code-switching. United States of America Superintelligence. https://unitedstatesofamericasuperintelligence.com/news/cartesia-releases-sonic-3-6/
BibTeX
@misc{usasi_news_cartesia_releases_sonic_3_6,
author = {{USASI}},
title = {Cartesia releases Sonic-3.6 text-to-speech with Odia, Urdu, and Hindi-English code-switching},
year = {2026},
month = oct,
howpublished = {\url{https://unitedstatesofamericasuperintelligence.com/news/cartesia-releases-sonic-3-6/}},
note = {United States of America Superintelligence. Last updated 2026-10-13}
}The date is when this page was last updated. Add the date you read it if your style needs one.