AsOf

product · fact

OpenAI o4-mini release date

As of November 4, 2026, the AsOf record says OpenAI o4-mini was released on April 16, 2025 (as o4-mini), from a primary source (developers.openai.com). The record holds 1 claim on OpenAI o4-mini's release, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.

current release date
o4-mini2025-04-16 · 1 source

Every dated value

1 claims · oldest first · superseded claims stay visible
valuevalid fromstatus
o4-mini
to present · conf 0.95 · 1 src for release date o4-mini
2025-04-16valid

Questions this record answers

When was OpenAI o4-mini released?
On April 16, 2025 (as o4-mini), from a primary source (developers.openai.com) (status valid, confidence 0.95).

Answered from the rows above only, as of November 4, 2026. The record has no opinions.

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