Microsoft model releases

Release details

1. Oct 1, 2026Microsoft

   MAI-Transcribe-2-Streaming, MAI-Voice-2.1, and MAI-Voice-2.1-Flash

   Microsoft introduced MAI-Transcribe-2-Streaming for live speech transcription and two speech-generation models, MAI-Voice-2.1 and MAI-Voice-2.1-Flash. Transcribe supports 60 languages with automatic detection and partial transcripts in just over 100 ms; the voice models support multilingual speech generation, with Flash designed for low-latency workloads.

   For buildersPrototype a voice-agent loop using representative call audio, then compare transcription latency and short-utterance accuracy alongside response quality and voice consistency across the languages you need.

   Official announcement (opens in a new tab)↗
2. Dec 12, 2024Microsoft

   Phi-4

   Microsoft introduced a 14-billion-parameter language model emphasizing reasoning, initially through Azure AI Foundry.

   For buildersCompare a compact model on focused mathematical and structured reasoning tasks.

   Official announcement (opens in a new tab)↗
3. Apr 23, 2024Microsoft

   Phi-3 mini

   Microsoft released Phi-3 mini, a compact language model designed for constrained compute environments.

   For buildersTest whether a small model can handle a focused task close to the user device.

   Official announcement (opens in a new tab)↗