AI NewsMAI-Transcribe-1: Microsoft's Whisper Killer Hits 3.8% WER at $0.36/Hour
Microsoft's first fully in-house speech model hits 3.8% Word Error Rate across 25 languages — beating Whisper-large-v3 on every one. At $0.36/hour and 50% lower GPU cost, MAI-Transcribe-1 is the clearest signal yet that Microsoft is done renting AI from OpenAI.
By Sarah Chen · 6 min · Apr 17, 2026