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Introducing GPT-4.5

ReleaseFeb 27, 2025

o3-mini > cover image

ReleaseJan 31, 2025

Cover Image > Media

Introducing Operator

ProductJan 23, 2025

Research

CoT Monitoring > Cover image > Media

Detecting misbehavior in frontier reasoning models

PublicationMar 10, 2025

Trading inference-time compute for adversarial robustness > card image

Trading inference-time compute for adversarial robustness

PublicationJan 22, 2025

Advancing Red Teaming > Cover Image

Advancing red teaming with people and AI

PublicationNov 21, 2024

Safety

model spec v2 > cover image

Sharing the latest Model Spec

SafetyFeb 12, 2025

[2.0] Card > Media > Deliberative Alignment

Deliberative alignment: reasoning enables safer language models

PublicationDec 20, 2024

An update on our safety & security practices

An update on our safety & security practices

SafetySep 16, 2024

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New tools for building agents > cover image

New tools for building agents

ProductMar 11, 2025

[2.0] Card > Media > o1 Developer Tools

OpenAI o1 and new tools for developers

ProductDec 17, 2024

Introducing the Realtime API > Card image

Introducing the Realtime API

ProductOct 1, 2024

Introducing vision to the fine-tuning API > Cover image

Introducing vision to the fine-tuning API

ProductOct 1, 2024

Prompt Caching > Media

Prompt Caching in the API

ProductOct 1, 2024

Model Distillation in the API > Media

Model Distillation in the API

ProductOct 1, 2024

Launching M4 > Card Image

Upgrading the Moderation API with our new multimodal moderation model

ProductSep 26, 2024

Introducing OpenAI o1 > cover image

Introducing OpenAI o1

ProductSep 12, 2024

Structured Output in the API > Hero Image > Media Item

Introducing Structured Outputs in the API

CompanyAug 6, 2024