Microsoft Launches MAI-Thinking-1 Reasoning Model in Public Preview via Foundry

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Microsoft has released MAI-Thinking-1, a mid-weight enterprise reasoning model, in public preview through its Microsoft Foundry platform. The model features a 256,000-token context window, function calling support, and compatibility with the Chat Completions API. It is built using Microsoft's in-house Hill-Climbing Machine training and evaluation infrastructure. Alongside MAI-Thinking-1, Microsoft's limited-preview MAI Playground also lists several other models spanning image, transcription, and voice capabilities. The Playground is designed to help teams prototype and evaluate workflows before moving to full Foundry-based development.

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