What we shipped in Sept + where to find us at SF Tech Week
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Hey [First name],
 
More languages, more voices, more coffee. Ink-2 now supports five languages, the library grew by 85 voices, and we're hosting a full week of events (including coffee on us tomorrow) for SF Tech Week. Here's the rundown.

What we shipped last month

Ink-2 is now multilingual

Ink-2 now transcribes French, Hindi, Japanese, and Spanish alongside English, with high accuracy and semantic endpointing in every language. And more on the way.
Try it in the playground or through the API →

85 new public voices in the library

Across 24 languages, including Hindi, Arabic, Indonesian, and Swedish.
Check out the voice library →

Greater control over pronunciation

Pronunciation dictionaries on Sonic-3.6 now ignore case by default, so "new york," "New York," and "NEW YORK" share one entry. Need capitalization to change the meaning? Turn case sensitivity on for that entry.

See us at SF Tech Week

 

Coffee CARTesia

Wed, October 7, 9am–1pm PT: Order your free coffee with Sonic-3.6 and hang out with the team.

AI Builders Happy Hour

Thurs, October 8, 6–8pm PT: Meet the team, connect with the community, and hear what we're building at our new HQ.

Voices in the Room with Cartesia and Coval

Thurs, October 8, 6:30pm PT:
A fireside chat on building and evaluating voice AI agents. Come for the talk, stay for the cocktails.

Vercel Ship

Thurs, October 15, Palace of Fine Arts: Find us in the Startup Expo and see what your voice agent could look like in the future.

Drinks Around the Fire with Cartesia and Lorikeet

Wed, October 28, 6:30–8:30pm PT: An evening of shop talk and lessons learned from teams building some of the most advanced voice agents.

Community & content

 

Voice agents with Vapi: the replay

Multilingual Agents
Watch now → | Slides

Early Intent Detection for Voice Agents

Jev and Cartesia show how to detect what a caller wants before they finish speaking, so your agent can respond faster.
 

Build an AI Sales Coach

A walkthrough of building a voice agent that helps B2B sales reps practice and sharpen their pitch.

From the blog


Introducing Multilingual Voices: 50+ library voices now speak natively across 25 languages, so your brand sounds the same in every region.

Why precision and recall matter so much: Why accuracy alone can mislead you when evaluating ML models, and how precision and recall give you an honest read on what your system gets wrong.

TTS model vs. voice: they're not the same: The model generates the speech, and the voice shapes how it sounds. Knowing the difference helps you debug the right thing when your voice agent underperforms.


Questions? Reply here or reach us at support@cartesia.ai
 
 
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