Microsoft launches new in-house AI models it says cut costs up to 89% versus OpenAI

Microsoft AI released two new in-house models into public preview on Wednesday — MAI-Image-2.5-Pro , its highest-fidelity image generator to date, and MAI-Voice-2-Flash , a speech model built for high-volume enterprise workloads — while publishing production data that amounts to the company’s most aggressive argument yet that it can power its own products without leaning on OpenAI’s frontier models. The announcement, made by Microsoft AI’s Superintelligence team , lands roughly a year after the company committed to building purpose-built models internally, and it arrives with an unusual level