OpenAI Decisions API enters public beta for faster routing

OpenAI has just rolled out the Decisions API in public beta, letting developers route requests to models, tools, or agents based on text and images. Powered by GPT-6 Luna, it outputs predicates, choices, and scores—and OpenAI claims up to 10x faster decisions.

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TL;DR

  • Decisions API (public beta): Routes requests to models, tools, or agents; selects actions from text/image inputs
  • Powered by GPT-6 Luna: Designed for decision-making beyond standard Responses API interactions
  • Predicates output: Probability estimates for whether a statement is true
  • Choices output: Picks predefined options with confidence scores
  • Scores output: Rates inputs against a numeric range
  • Use cases: model/tool assignment, labeling/ranking, visual comparison, video frame ID, UI control selection, tool-call review, dataset categorization

OpenAI has placed its Decisions API in public beta, giving developers a way to route requests to models, tools or agents and select actions based on text or image inputs.

According to OpenAI Developers, the API is powered by GPT-6 Luna and can produce three types of outputs:

  • Predicates, which estimate the probability that a statement is true.
  • Choices, which select from predefined options and provide confidence scores.
  • Scores, which evaluate an input against a numeric range.

OpenAI claims the Decisions API can make decisions “up to 10x faster” than GPT-6 Luna accessed through the Responses API. That comparison is a company-provided performance claim and was not independently substantiated in the announcement.

The company lists several potential uses, including assigning requests to different models or tools, converting inputs into labels and rankings, comparing visual content, identifying video frames, selecting interface controls from screenshots and flagging tool calls for additional review. It also describes the API as suitable for categorizing large datasets to identify trends and patterns.

The public beta is now available to developers through OpenAI’s API platform.

Source: OpenAI Developers on X

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