OpenAI · featurephase

validasserted

Valid from: 2026-02-24
Valid until: still holds
Published: 2026-02-24
Recorded by AsOf: 2026-10-31
Checked: 2026-10-31 · its source page states the value and the date
Confidence: 0.70

Sources

“Feb 24 Feature v1/responses Released phase to the Responses API. It labels an assistant message as intermediate commentary ( commentary ) or the final answer ( final_answer ).”— what the page says, read 2026-10-31

OpenAI API changelog, February 24, 2026primary · developers.openai.com · 2026-02-24

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