Within the span of a week, we launched streaming TTS (text-to-speech) and STT (speech-to-text) models that topped the leaderboards. I'm incredibly proud of the research team for their relentless pursuit of improvement, which have unlocked new state-of-the-art audio models on the Pareto frontier of speed and quality. As a research problem, speech requires fusing both text and audio and is the gateway to general multimodal models. We built Sonic-3.5 and Ink-2 from the ground up, developing multiple innovations along the way in a direction that will scale to general real-time intelligence. I've personally been deeply involved in building these models and more; it's been a blast working with the incredibly talented research team here @cartesia, and I can't wait to show the world what's coming next :)