OpenAI Releases the Decisions API in Beta, Returning Only Typed Answers - Probability, Choice, and Score, Billed on Input Alone
On October 6, 2026, OpenAI released the Decisions API in beta. It evaluates text or images and returns only typed answers. gpt-6-luna is the sole model, answers come in three forms (predicate, choice, score), and pricing is $0.10 per million input tokens with no charge for output or caching.