Building a frontier intelligence ecosystem together. Highlights from my keynote at Microsoft Build...

Agent Lightning v1.0: A 3,500-Line Lightweight Agentic RL Framework for Training Agents with Real Harnesses

The Agent Said It Was Done. The Database Disagreed.

Microsoft AI releases new transcription and text-to-speech models for voice agents

Microsoft AI has released MAI-Transcribe-2-Streaming, a new model for real-time transcription. Microsoft says it ranks first for accuracy on Artificial Analysis. The model transcribes 60 languages and delivers its first partial results in just over 100 milliseconds. Microsoft says this lets voice agents respond while someone is still mid-sentence. Through the end of the year, an hour of audio costs $0.54 at the introductory price. Microsoft also released two new text-to-speech models. MAI-Voice-

MAI-Voice-2.1 from @MicrosoftAI is live on OpenRouter.

MAI-Voice-2.1 from @MicrosoftAI is live on OpenRouter.MAI's highest-fidelity, most expressive text-to-speech model yet:Studio-grade, natural speech.Same voice can speak in 23 languages while maintaining native accent.$22 per 1M charactersBuilt for audiobooks, podcasts, narration, and brand audio.https://openrouter.ai/microsoft/mai-voice-2.1