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The post discusses how companies like ElevenLabs and OpenAI have expanded beyond core AI voice technology, leading to slower voice progress, and introduces Cartesia's Multilingual Voices for businesses to maintain a consistent brand voice across languages.
The tweet discusses how vertical SaaS is evolving to become voice-first with the help of faster AI voice models, opening new opportunities for developers, and highlights multilingual capabilities from Cartesia.
Cartesia released Sonic-3.5 (text-to-speech) and Ink-2 (speech-to-text), claiming they are the #1 streaming models for voice agents, with potential to disrupt call centers.
Cartesia launches Sonic 3.5, a new state-of-the-art TTS model supporting 42 languages, taking the #1 spot on the Artificial Analysis Speech Arena Leaderboard.
Nimit Sohoni left a high-paying Citadel quant role to build next-generation voice AI at Cartesia, competing with ElevenLabs, highlighting the trade-offs between quant finance and AI research.