Open Responses API launched — new open inference standard

AI Impact Summary

Open Responses is introducing a new, open inference standard designed to address limitations in the existing Chat Completion format for agentic workflows. This shift represents a significant change, requiring developers to adapt their applications to leverage the standardized Responses API and its expanded capabilities, including stateless reasoning and streaming. The move to Open Responses is intended to standardize and improve the inference experience, normalizing undocumented extensions and interpretations of legacy Completion APIs.