OpenAI o4-mini · deprecatedo4-mini

validasserted

Valid from: 2026-04-22
Valid until: still holds
Published: no source on record carries a date
Recorded by AsOf: 2026-11-04
Checked: 2026-11-04 · its source page states the value and the date
Confidence: 0.95

Sources

“2026-04-22: Legacy GPT model snapshots On April 22, 2026, we announced the deprecation of the following older OpenAI models. Access to these models was shut down on October 23, 2026.”— what the page says, read 2026-11-04

https://platform.openai.com/docs/deprecationsprimary · platform.openai.com

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