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The OpenAI Decisions API Hype Met a Jar of Marbles

This story is from 2026-10-12. It is preserved in the archive; the latest stories are on the live feed.

A developer ran a thousand trials against OpenAI's brand new Decisions API. Loaded coin, biased to 70% heads. The API nailed it, sampled heads almost exactly 70% of the time. Then he tried a jar of marbles. Five red, three blue, two white. True odds of drawing red, 50%. The API picked red 86% of th…

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  1. 2026-10-12 03:55 · DEV Community — AI
    The OpenAI Decisions API Hype Met a Jar of Marbles

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