OpenAI Launches Decisions API for Simplified Decision-Making

OpenAI has launched the Decisions API on October 7, 2026, which operates ten times faster than the previous Responses API. The API is priced at $0.10 per million input tokens, with output tokens available for free. Monthly usage limits are set at $500, $5,000, and $200,000, allowing for scalable use depending on user needs.

The Decisions API supports three types of responses: yes/no probabilities, selections from predefined categories, and scale-based ratings. OpenAI emphasizes that the API ensures zero-data retention and is HIPAA-compliant for use in the US and Europe, making it suitable for sensitive applications.

This launch aligns with the growing trend of decision models that began in mid-September 2026, indicating a shift towards more streamlined decision-making tools in AI applications. Practitioners can leverage this API to enhance user interactions by simplifying complex evaluations into straightforward outputs.