OpenAI's Decisions API became generally available on October 22, 2026, according to Unite.AI. The API answers a fixed question with a probability, a pick from a list or a score, instead of writing text. General availability means it has left beta, so teams can plan production use around it. The price has not changed, but the limits have grown.

TechCrunch reports that OpenAI opened the API to all customers the same day. OpenAI first showed it at its developer day on September 29. It reached public beta earlier in October .

What changed since the beta

Unite.AI lists four additions since the beta:

More questions per call. One request can now carry 1 to 400 questions, double the previous limit.

Prompt caching. Requests that share a prefix of at least 1,024 tokens can reuse it.

Data residency. Processing can stay in the US or in Europe, meaning the EEA plus Switzerland.

GPT-Live integration. The API now connects to OpenAI's GPT-Live, Unite.AI reports.

Score questions take a rubric with 2 to 10 levels.…