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Introducing OpenAI o3 and o4-mini

Release

API GPT-4.1 Art 16.9
Introducing GPT-4.1 in the API

Product

OpenAI Image Generation thumbnail video
Introducing 4o Image Generation

Product8 min read

Audio Models Art card 16.9
Introducing next-generation audio models in the API

Release

GPT-4.5 system card 1.1
OpenAI o3 and o4-mini System Card

Publication

Introducing OpenAI o3 and o4-mini

Release

Comms request 0415 1x1
OpenAI announces nonprofit commission advisors

Company

PFv2 artcard 1.1
Our updated Preparedness Framework

Publication

API GPT-4.1 Art 16.9
Introducing GPT-4.1 in the API

Product

Truffle Hunter > Hero Image
BrowseComp: a benchmark for browsing agents

Publication

Forge Program > Card
OpenAI Pioneers Program

Company

EU Economic Blueprint > cover image
OpenAI’s EU Economic Blueprint

Company

nonprofit commission guidance > cover image
New commission to provide insight as OpenAI builds the world’s best-equipped nonprofit

Company

Product

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GPT-4.5
Introducing GPT-4.5

Release

o3-mini > cover image
OpenAI o3-mini

Release

Cover Image > Media
Introducing Operator

Product

Research

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CoT Monitoring > Cover image > Media
Detecting misbehavior in frontier reasoning models

Publication

Trading inference-time compute for adversarial robustness > card image
Trading inference-time compute for adversarial robustness

Publication

Advancing Red Teaming > Cover Image
Advancing red teaming with people and AI

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Safety

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model spec v2 > cover image
Sharing the latest Model Spec

Safety

[2.0] Card > Media > Deliberative Alignment
Deliberative alignment: reasoning enables safer language models

Publication

An update on our safety & security practices
An update on our safety & security practices

Safety