Cartesia (@cartesia) / X

Cartesia

502 posts

Cartesia

@cartesia

Architecting AI that learns and interacts like humans

San Francisco, CA

cartesia.ai

Joined September 2023

Pinned
Cartesia
@cartesia
May 22
Sonic 3.5 is now the #1 text to speech model on the @ArtificialAnlys leaderboard! You no longer have to trade off quality and latency - Sonic 3.5 also has the fastest time to first audio at 82ms end to end. See full benchmark results 👇
Artificial Analysis
@ArtificialAnlys
May 22
Cartesia’s Sonic-3.5 takes the #1 spot on the Artificial Analysis Speech Arena Leaderboard, surpassing Inworld Realtime TTS 1.5 Max and Google’s Gemini 3.1 Flash TTS Sonic-3.5 is the latest TTS model from @cartesia . It supports 42 languages, including 9 Indian languages, with
10K
Cartesia reposted
bolna
@bolna_dev
May 29
Announcing the Bolna × Cartesia VOC-A-THON! Calling the most cracked builders in Voice AI. Come ship voice agents powered by Sonic 3.5, Cartesia's most natural and expressive TTS model yet. - Build with Sonic 3.5, Cartesia's newest TTS model - @bolna_dev and @cartesia teams in
00:00
1.8K
Cartesia
@cartesia
May 28
Replying to @cartesia and @ArtificialAnlys
We've built Ink-2 to excel on all of these axes in production. Give it a try on our website
Cartesia \ Ink
From cartesia.ai
1.1K
Cartesia
@cartesia
May 28
Replying to @cartesia and @ArtificialAnlys
A great speech-to-text model for voice agents first and foremost needs to have high accuracy in production settings - this means noisy environments and conventionally difficult audio like silences, short transcripts, phone numbers, and UUIDs. For the conversation to be smooth,
1.4K
Cartesia
@cartesia
May 28
Cartesia Ink-2 debuts as #1 for accuracy on the brand-new streaming speech-to-text leaderboard from @ArtificialAnlys! We designed Ink-2 from the ground up for voice agents - with low latency, eager transcripts, and semantic endpointing.
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Cartesia
@cartesia
May 26
Cartesia is excited to be the Voice that powers @avaturn_me's new Open Weights AVTR-1 avatar models. Check out the links, repo and docs below 👇
Avaturn
@avaturn_me
May 26
🚨 AVTR-1 New Model is OPEN WEIGHTS . Duplex Native , #1 on benchmarks. Here’s what being released. Links in comments - Model + Paper now on HF - Full Github repo to run it really fast Run it anywhere as low as $0. Comment, share, star on GH to get the word out
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2.6K
Cartesia
@cartesia
May 21
Replying to @cartesia and @awscloud
RSVP:
Voice AI After Hours: Cartesia x AWS Happy Hour - #NYTechWeek | Partiful
From partiful.com
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Cartesia
@cartesia
May 21
NYC happy hour with @awscloud Thurs, June 4 · 5:30pm · NY tech week RSVP in comments 👇
2.2K
Cartesia reposted
LiveKit
@livekit
May 7
Voice cloning is now available on LiveKit Inference. We’re launching with @inworld_ai and @cartesia. Clone a voice once and use it across multiple TTS providers, with automatic fallback to the same voice if a provider fails mid-call. Free to create and available on all paid
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11K
Cartesia reposted
Timothy Luong (Chongz)
@chongz
May 7
Every day I curse @krandiash for tainting us, removing @cartesia’s purity as a neo lab in the pursuit of “revenue”
Deedy
@deedydas
May 7
The Ultimate List of Artificial Intelligence "Neolabs": May 2026. A Neolab is a pre-revenue scale startup working on long-term AI breakthroughs, usually with a $1B+ valuation. There are now 63 of them!
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Cartesia
@cartesia
Mar 31
Replying to @cartesia
Read more:
Cartesia \ 2X Solutions Builds Secure, TCPA-Compliant Voice AI with Cartesia
From cartesia.ai
1.2K
Cartesia
@cartesia
Mar 31
Nobody in voice AI is talking about TCPA compliance. Enterprise buyers ask about it first. @2xSolutions CEO Kevin DeMeritt processed $4B in business at Lear Capital - and built 2X Solutions around the TCPA compliance reality that most platforms ignore. Switching to Cartesia’s
1.6K
Cartesia
@cartesia
Mar 26
Replying to @cartesia
Full story →
Cartesia \ Fundamento Runs Millions of Financial Services Calls on Cartesia
From cartesia.ai
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