MAI-Thinking-1 at a glance
Microsoft's MAI family spans reasoning, coding, image, voice and transcription, led by its first reasoning model, MAI-Thinking-1.
What changed with MAI-Thinking-1
At Build on June 2, 2026, Microsoft AI announced seven in-house models. MAI-Thinking-1 is a mixture-of-experts reasoning and coding model with 35B active parameters and a 256K context window. MAI-Code-1-Flash is a 5B-parameter coding model rolling out as a default in VS Code to a share of users and tuned for GitHub Copilot CLI.
The family also includes MAI-Image-2.5 and a Flash variant for image generation and editing, MAI-Transcribe-1.5 for batch speech-to-text across 43 languages, MAI-Voice-2 for speech generation in 15 languages, and a low-latency Voice-2-Flash for voice agents. Microsoft reported 53% on SWE-Bench Pro for MAI-Thinking-1 and 51% for MAI-Code-1-Flash; these are company figures.
MAI-Thinking-1 in numbers
Values are copied from the linked source on the date shown. They are not IA Compa measurements.
- Context windowas of · Source for Context window: microsoft.ai (opens in a new tab)
- 256K tokens (MAI-Thinking-1)
How it compares
Other models in the same category that we have covered, using each model's latest recorded value. (Models)
Where to compare MAI-Thinking-1
Independent leaderboards and official resources for comparing this model yourself. Rankings change often; each site shows its own current data.
Leaderboards
General leaderboards
Official resources
Why MAI-Thinking-1 matters for businesses
Availability varies by model: some are in Foundry, PowerPoint, Teams, Copilot or Dynamics 365 Contact Center, while others were announced for third-party hosts. For businesses, it signals that Microsoft products will increasingly mix its own models with OpenAI and Anthropic models, which can change cost and behavior behind familiar tools.
Sources for this story
- Microsoft Build 2026: MAI keynote transcript (opens in a new tab)Official
Microsoft AI · microsoft.ai
Last verified: . IA Compa summarizes public announcements for business readers. We are not affiliated with the companies mentioned. Always confirm details, pricing, and availability with the official source.
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