MAI-1-preview
Microsoft’s first foundation model trained end-to-end, introduced for public testing on LMArena as an early MAI milestone.
FAMILY / MICROSOFT AI
MAI
Microsoft AI’s in-house language, coding, and reasoning models for Copilot and developer platforms.
- First model
- 2025
- Models
- 5
- Latest dated version
- MAI-Base-2
01 / RELEASE SEQUENCE
Family release sequence
02 / GENERATIONS
What changed
MAI-Code-1-Flash
Microsoft’s efficient coding model trained from scratch and introduced in GitHub Copilot, not distilled from another model.
MAI-Thinking-1
Microsoft’s model for complex reasoning, available in public preview through Microsoft Foundry.
MAI-Code-1.1-Flash
The production successor in GitHub Copilot, improving code quality and token efficiency.
MAI-Base-2
MAI-Base-2 is the foundation for Microsoft’s next model generation and includes native vision pretraining; this is an important research-stage announcement, not a user-facing release or open-weight publication.