OpenAI announced that the Decisions API is generally available through a dedicated endpoint using GPT-6 Luna. Developers specify questions and permitted answers, supply text, images or native JSON, and receive probability, choice or score outputs. The announcement describes native GPT-Live integration, prompt caching, US and EU inference residency, and support for up to 400 questions per request. These are features described by OpenAI in its release announcement; this entry does not independently benchmark performance or repeat customer speed claims.
Source: OpenAI — https://openai.com/index/decisions-api/ Original publication date: 2026-10-22. The date is represented as 00:00 UTC for storage; the source does not establish an exact publication time. Checked against the official announcement on October 23, 2026.