# Tagged microsoft

> Announcements and real-world deployments of AI, checked against their sources and scored: open-weights releases, decision models in the wild, and what is actually in use.

- [Microsoft releases Decision-1, a 9B model that scores fixed answer options](https://shipped.anth.us/decisions/microsoft-decision-1/index.md): Microsoft-Decision-1 returns a probability per answer option instead of prose. Hosted on Foundry and OpenRouter; no licence stated. (2026-10-09)
- [Microsoft releases VibeVoice-Realtime-0.5B, a streaming TTS model under MIT](https://shipped.anth.us/open-weights/microsoft-vibevoice-realtime-0-5b/index.md): A single-speaker streaming TTS model that starts speaking in about 300 ms; MIT licensed, but the card says research use only. (2025-12-04)
