OpenAI · postAddendum to o3 and o4-mini system card: Codex

A post title indexed from the publisher's own feed. It shows the post exists and when it went up; it is not a checked claim about the world. Treat it as a lead.

Valid from

2025-05-16

Valid until

still holds

Published

2025-05-16

Recorded by AsOf

2026-10-27

Checked

2026-10-29 · the publisher's own feed

Confidence

0.50

Sources

• Addendum to o3 and o4-mini system card: Codexprimary · openai.com · 2025-05-16

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