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Decision models are becoming infrastructure, not features

Vercel shipped both Microsoft's Decision-1 and Liquid AI's d1 to AI Gateway in the same week as interchangeable classification primitives, while Willison's Codex Desktop example shows the same gateway logic extending to voice-driven building. If routing and yes/no judgment calls become a gateway call instead of a prompt, the design work shifts to defining the categories and confidence thresholds, not writing the logic.

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01Vercel Blog24 d

Decision-1 adds structured classification to Vercel's AI Gateway

You can offload classification and routing decisions to a dedicated model with confidence scores instead of parsing free text, which changes how you design fallback and review states.

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Open the Decision-1 or Liquid d1 docs and sketch one routing decision in your own product (support triage, content moderation, form validation) that could become a typed yes/no call instead of a free-text prompt.

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