OpenAI o3 · releasedOpenAI o3

Valid from

2025-04-16

Valid until

still holds

Published

2025-04-16

Recorded by AsOf

2026-11-03

Checked

2026-11-04 · its source page states the value and the date (its publisher's feed entry for the page)

Confidence

0.50

Sources

“Introducing OpenAI o3 and o4-mini. Our smartest and most capable models to date with full tool access”— what the publisher's feed entry for the page says, read 2026-11-04

• Introducing OpenAI o3 and o4-miniprimary · openai.com · 2025-04-16
• Addendum to OpenAI o3 and o4-mini system card: OpenAI o3 Operatorprimary · openai.com · 2025-05-23

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