In this article

01 Applications choose the form of the answer

02 Repeated context can qualify for caching

OpenAI has made its Decisions API generally available , doubling the limit to 400 questions per request. The October 22 release also adds prompt caching, native JSON input and inference residency in the US and EU.

The API uses GPT-6 Luna to classify text and images, route customer requests or select an agent’s next action from bounded answers.

Applications choose the form of the answer

The developer guide distinguishes three answer types. A predicate estimates whether a condition is true, such as whether a product photo shows damage.

OpenAI uses this product image to illustrate a question about visible damage. Image: OpenAI

A choice selects a category, such as billing or shipping. Scores apply ordered levels, as in the guide’s package-damage example, which ranges from none to major.

The documentation's package example illustrates grading damage against ordered severity levels.…