Microsoft launches MAI‑Voice‑1 and MAI‑1‑preview — two in‑house AI models
Microsoft launches MAI‑Voice‑1 and MAI‑1‑preview — two in‑house AI models Microsoft has announced two AI models trained entirely in‑house: MAI‑Voice‑1, its first natural speech generation model, and MAI‑1‑preview, a text foundation model trained end‑to‑end. The company is already using MAI‑Voice‑1 in Copilot Daily and Podcasts, while MAI‑1‑preview is available for public testing on LMArena and will be previewed in select Copilot scenarios in the coming weeks. Key facts MAI‑Voice‑1: First natural speech model from Microsoft. Engineered for efficiency — reported to generate quality audio on a single GPU. Currently used in Copilot Daily and Podcasts. MAI‑1‑preview: Text foundation model trained end‑to‑end. Reportedly trained on ~15,000 Nvidia H100 GPUs and is being publicly tested on LMArena. Training focus: Microsoft emphasizes efficiency and data curation — minimizing wasted compute and selecting high‑value…