o3-pro · model releaseo3-pro

Valid from

2025-06-10

Valid until

still holds

Published

2025-06-10

Recorded by AsOf

2026-11-04

Checked

2026-11-04 · its source page states the value and the date

Confidence

0.95

Sources

“Jun 10 Feature o3-pro v1/responses v1/batch Released o3-pro”— what the page says, read 2026-11-04

• OpenAI API changelog, June 10, 2025primary · developers.openai.com · 2025-06-10

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