OpenAI's Decisions API Lets Agents Choose Their Next Move Ten Times Faster
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OpenAI's Decisions API Lets Agents Choose Their Next Move Ten Times Faster
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Summary Report
OpenAI's Decisions API on GPT-6 Luna returns fixed-answer decisions in about 150ms, roughly ten times faster than the Responses API.
- 01. Question plus allowed answers plus context in, one answer out
- 02. ~150ms per request vs 1.6s on the Responses API; limited preview
The Decisions API, powered by GPT-6 Luna, takes a question, a fixed set of allowed answers and text or image context, and returns one of those answers for your app to use directly. It's built for classifying content, routing requests or picking an agent's next action. OpenAI's demo routes 10,000 customer requests at about 150 milliseconds each, against 1.6 seconds through the Responses API. It's in limited preview.
