OpenAI announced the launch of "Decisions API" at its Dev Day event on Tuesday. This product's functionality is similar to TypeSafe AI's Jev model, which is designed for software automation. OpenAI CEO Sam Altman stated that by allowing models to focus on predefined options (such as image classification or agent behavior), they can achieve extremely high speed and low cost while maintaining capabilities like image understanding, broad language support, and safety protections. TypeSafe AI CEO Diogo Almeida (a former OpenAI engineer) commented on X that this might signal that "System One" compatible (fast, intuitive thinking) AI is the future. This API is expected to significantly reduce AI agent monitoring costs, for example, by lowering the cost of checking each agent action from $372 to $2.94, thereby improving the reliability of AI agents.