OpenAI o3-mini · model releaseo3-mini

validasserted

Valid from: 2025-01-31
Valid until: still holds
Published: 2025-01-31
Recorded by AsOf: 2026-11-04
Checked: 2026-11-04 · its source page states the value and the date
Confidence: 0.95

Sources

“January, 2025 Jan 31 Feature o3-mini o3-mini-2025-01-31 v1/chat/completions Launched o3-mini , a new small reasoning model that is optimized for science, math, and coding tasks.”— what the page says, read 2026-11-04

https://developers.openai.com/api/docs/changelog#2025-01-31primary · developers.openai.com · 2025-01-31

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