Gemini's new Decision API tested: AI auto-orchestrates UI decision paths
huangyun_122 · x · 2026-11-13
The author hands-on tests Gemini's newly released Decision API, which handles judgment tasks over limited datasets. Google uses the Stitch design tool as its official example: deciding how to arrange feature paths (e.g., a discriminatory-pricing coupon flow) is a classic product pain point.
The author asked Codex to pick a programmer-friendly version from the docs, producing a coffee-ordering mini-app — for a frequent scenario like grabbing coffee on the commute, rendering a "Reorder" button in Stitch involves many decision paths, which Decision API can auto-orchestrate. Codex's rendering didn't clarify the API's role, but Claude, after parsing Gemini's official docs, successfully visualized how Decision API drives Stitch's decisions. The author remarks Claude's demo-making ability is "a bit scary."
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