Model index
Microsoft AI·MAI

MAI-1-preview

Microsoft’s first foundation model trained end-to-end, introduced for public testing on LMArena as an early MAI milestone.

LegacyLanguageWeights not released
MODEL NUMBER347
First public date
2025-08-28
Organization
Microsoft AI
Family
MAI
01

Specifications

Only published specifications are shown.

Input modalities
Text
Output modalities
Text
Open weights
No
Status
Legacy
02

Overview

Release dates

— MAI-1-preview entered preview. ↗

03

Architecture & capabilities

04

Release history

05

Related models

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06

Sources

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