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Sycophancy 1.1
Sycophancy in GPT-4o: What happened and what we’re doing about it

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image generation API > cover image
Introducing our latest image generation model in the API

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Introducing OpenAI o3 and o4-mini

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

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Introducing 4o Image Generation

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

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New tools for building agents > cover image
New tools for building agents

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GPT-4.5
Introducing GPT-4.5

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Blog EU Card
Introducing data residency in Europe

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