One-sentence summary
Comparing three routes: Microsoft's MAI builds in-house voice and chat models, OpenAI supplies GPT externally, and Google builds Gemini end-to-end and embeds it in its own products.
The Players
On November 1, 2026, Microsoft launched its first in-house models MAI-Voice-1 and MAI-1-preview, sharpening attention on the three players' in-house routes.
Core Comparison
| Dimension | Microsoft MAI | OpenAI GPT | Google Gemini |
|---|---|---|---|
| Route | From partnering to building in-house | Supplies GPT externally | End-to-end, embedded products |
| Recent move | Launched MAI-Voice-1, MAI-1-preview | Continues GPT iterations | Deep Gemini integration |
| Landing | Copilot, Copilot Labs, LMArena | APIs and enterprise clients | Search, Workspace, Android |
| In-house maturity | Early, first models | Highly in-house | Highly in-house |
Key Differences
Microsoft builds in-house voice and chat alongside its OpenAI partnership; OpenAI acts as an external GPT supplier; Google builds Gemini end-to-end and embeds it in its ecosystem.