Brandon Yang (@bclyang) / X

Brandon Yang

286 posts

Brandon Yang

@bclyang

cofounder @cartesia | prev @StanfordAILab @GoogleBrain

San Francisco, CA

Joined August 2014

Brandon Yang
@bclyang
Jun 18
@TheRealAk914 and the entire team @elise_ai are among the the most sophisticated builders in voice - it's been incredible working together and helping them deploy voice agents at unprecedented scale across the world!
Akshay Ramaswamy
@TheRealAk914
Jun 18
Been a blast working with @bclyang and the entire @cartesia team on this one! Since deploying Sonic 3.5, @elise_ai has seen a 2.9% lift in conversion and a 12.2% increase in customer engagement 🚀 Stoked about our continued partnership and growth together!!
Brandon Yang
@bclyang
Jun 15
We topped the leaderboards for text to speech and speech to text - back to back in a single week! Modeling companies are not about any single model but about building engines for continuous end to end improvement - exciting to see how far we've come!
Karan Goel
@krandiash
Jun 15
We released Sonic-3.5 and Ink-2, the #1 streaming models for text to speech and speech to text you can use in your voice agents today. New architectures enable new frontiers for speed and quality. We're now the only provider to have #1 models for both speaking and listening.
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Brandon Yang
@bclyang
May 28
Ink-2 is our first streaming ASR model, built specifically for realtime voice agents - and it's #1 on @ArtificialAnlys on day 1! It's rare for models to be #1 on the first try on a new benchmark, since model development is iterative and there's so much that goes into
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.
Brandon Yang
@bclyang
May 22
Sonic 3.5 is now the #1 TTS model on @ArtificialAnlys, an independent benchmark of TTS quality! It's also the fastest model with 82ms end to end latency - it's always been our dream to build realtime voice with no trade-offs. Building great models comes from getting the
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
Brandon Yang
@bclyang
Oct 28, 2025
Excited to share what we've been cooking 🧑‍🍳
Karan Goel
@krandiash
Oct 28, 2025
We've raised $100M from Kleiner Perkins, Index Ventures, Lightspeed, and NVIDIA. Today we're introducing Sonic-3 - the state-of-the-art model for realtime conversation. What makes Sonic-3 great: - Breakthrough naturalness - laughter and full emotional range - Lightning fast -
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