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GlossaryAI

Open-source model

An AI model whose weights, and sometimes code and data, are published so that others can use, study and modify it.

Also called open modelopen-weight modelopen large language modelopen-source AI

Why it matters

Open models widen access to AI but make it harder to control how it is used.

Open-source model in the news

More AI terms

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Deepfake

A realistic but fake image, video or audio clip made with AI to show someone saying or doing something they did not.

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Artificial intelligence

Computer systems that perform tasks that normally require human intelligence, such as understanding language, recognising images or making decisions.

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