OpenAI’s new Responses API comes with web search, the ability to look through files, and computer use out of the box.
OpenAI is also making its web search, file search, and computer use tools available directly through the Responses API.
GPT-4.5 is a bridge to the GPT-5 initiative, not a reasoning model itself. OpenAI said its answers more convincingly engage ...
a document that defines how OpenAI wants its models to behave in ChatGPT and the OpenAI API. The company says this iteration of the Model Spec builds on the foundational version released last ...
OpenAI has begun rolling out its newest AI model, GPT-4.5, to users on its ChatGPT Plus tier. In a series of posts on X, ...
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