OpenAI opens Decisions API in public beta for fast typed outputs

OpenAI said on Oct. 22, 2026, that its Decisions API is designed to provide “fast, focused, low-cost decisions” for applications, with the service described in documentation as a public beta. The company’s materials position the API as a way to return typed decisions rather than open-ended prose, a distinction that matters for use cases such as classification, routing and prioritization. According to OpenAI’s developer documentation verified on Oct. 22, 2026, the Decisions API uses gpt-6-luna through POST /v1/decisions and can evaluate text and images. The documentation says it can produce three main kinds of outputs: predicates, which estimate whether a condition is true; choices, which select among predefined options; and scores, which assess inputs against a rubric. Those functions are framed for application tasks including classification, request routing and prioritization.

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