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Introducing Codex

ReleaseMay 16, 2025

Codex System Card 1x1

Addendum to o3 and o4-mini system card: Codex

SafetyMay 16, 2025

HealthBench > Cover Image

Introducing HealthBench

PublicationMay 12, 2025

GPT-4.5 system card 1.1

OpenAI o3 and o4-mini System Card

PublicationApr 16, 2025

Introducing OpenAI o3 and o4-mini

ReleaseApr 16, 2025

Thinking with images

ReleaseApr 16, 2025

PFv2 artcard 1.1

Our updated Preparedness Framework

PublicationApr 15, 2025

API GPT-4.1 Art 16.9

Introducing GPT-4.1 in the API

ProductApr 14, 2025

Truffle Hunter > Hero Image

BrowseComp: a benchmark for browsing agents

PublicationApr 10, 2025

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