OpenAI Makes Decisions API Generally Available with GPT-6 Luna
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OpenAI launched the Decisions API powered by GPT-6 Luna on October 22, 2026, offering faster, bounded, typed answers for real-time decision-making in applications at $0.10 per million input tokens. The API supports predicate, choice, and score question types, handling text, images, and structured inputs with up to 400 questions per request.
