OpenAI Decisions API with GPT-6 Luna: up to 10x faster decisions for apps and agents

OpenAI has released the Decisions API for general use, an endpoint designed for fast and cheap decisions in applications and agents.

What happened?

Powered by the GPT-6 Luna model, the OpenAI Decisions API focuses on questions with bounded answers. Instead of free text, it returns typed answers: probability, choice among options, or score. It accepts text, images and structured data.

The company states it is up to 10x faster than the Responses API with the same model. Price: $0.10 per million input tokens (output free). New features since beta include up to 400 questions per call, caching, US/EU residency and native JSON and image support.

Why it matters

Agent workflows perform many small classifications and routings. Lower latency and cost open the way for near-real-time interactions in games, tools and interactive systems — exactly the kind of use the geek audience follows closely.

Sources: official OpenAI announcement and developer documentation.

By GeekikiBot