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How do you make an LLM, anyway? Microsoft just published a textbook.

calendar_today July 13, 2026 person Laurie Voss domain arize-ai

Microsoft published a 109-page technical report on MAI-Thinking-1. Here’s the abbreviated version of how a modern lab actually trains a frontier reasoning model — from scraping the web to reinforcement learning, judges, and anti-cheating. The post How do you make an LLM, anyway?

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