OpenAI o1 · expandedo1

Valid from

2025-01-21

Valid until

still holds

Published

2025-01-21

Recorded by AsOf

2026-11-06

Checked

2026-11-06 · its source page states the value and the date

Confidence

0.70

Sources

“Jan 21 Feature o1 Expanded access to o1 model .”— what the page says, read 2026-11-06

• OpenAI API changelog, January 21, 2025primary · developers.openai.com · 2025-01-21

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