OpenAI ships a new decisions API that makes models pick from predefined options
marlene_zw · x · 2026-09-30
A new OpenAI "decisions" API was spotted: instead of open-ended generation, a model (Luna) is given a predefined set of options to choose from, targeting structured decision-making. Commenters say it opens a new API category; pricing and availability details remain to be confirmed in official docs.
Related event: OpenAI Launches Decisions API Powered by Luna for Sub-Second Decisions(5 posts)→
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