# Microsoft AI — Two in-house models in support of our mission

- Company: Microsoft AI (microsoft.ai)
- Announced: 2025-08-28
- Category: model-update
- Coverage: not counted
- Announcement: yes
- Group: models
- Source: https://microsoft.ai/news/two-new-in-house-models
- Record: https://forck.live/items/8438-two-in-house-models-in-support-of-our-mission
- Subject: MAI
- Models affected: MAI-Voice-1, MAI-1-preview

Microsoft AI released MAI-Voice-1, a speech generation model, and MAI-1-preview, a mixture-of-experts foundation model. MAI-Voice-1 is available in Copilot Daily, Podcasts, and Copilot Labs. MAI-1-preview is available for public testing on LMArena and to trusted testers via API access.

## Evidence

Verbatim from https://microsoft.ai/news/two-new-in-house-models:

> First, we’re releasing MAI-Voice-1 , our first highly expressive and natural speech generation model

---

Record: https://forck.live/items/8438-two-in-house-models-in-support-of-our-mission
Catalogue: https://forck.live/llms.txt
Current issue: https://forck.live/feed.md