OpenAI's Decisions API is underrated: dev builds ADHD detector, email triage and expense classifier
craigsdennis · x · 2026-11-14
Developer gpj argues OpenAI's Decisions API is underrated and shows small classification apps he built with it — tasks that used to be cumbersome are now easy:
- ADHD detector: screenshots every few minutes, checks whether YouTube is visible, and alerts him when he's distracted;
- Email triage app: decides whether a message needs action, categorizes it, and assigns a 0–10 spam score to decide keep vs. trash;
- Transaction categorizer: groups transaction descriptions into household, food, health and other expenses, then totals them.
His takeaway: the API turns previously labor-intensive classification logic into a simple call, unlocking many lightweight decision-type apps.
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