Microsoft's new model answers only with a number, never a sentence.
Microsoft released Decision-1 on Friday, a model that scores a fixed list of options instead of writing text. Input costs four cents per million tokens, and Microsoft charges nothing for the output. It is built on Alibaba's open Qwen model, and Microsoft plans to swap in its own later.
Why it mattersMost agent work is choosing, not writing: which tool, which queue, is this spam. Paying only for the question makes that step cheap enough to run everywhere.
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