Simon Willison’s Weblog

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Series: GPT-5

My posts following the launch of OpenAI's GPT-5 model.

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GPT-5: Key characteristics, pricing and model card

Visit GPT-5: Key characteristics, pricing and model card

I’ve had preview access to the new GPT-5 model family for the past two weeks (see related video) and have been using GPT-5 as my daily-driver. It’s my new favorite model. It’s still an LLM—it’s not a dramatic departure from what we’ve had before—but it rarely screws up and generally feels competent or occasionally impressive at the kinds of things I like to use models for.

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