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Plain-English definition

Computer Use

In one breath

An AI operating a computer the way you do — looking at the screen, moving the mouse, clicking and typing — so it can use apps that were built for humans.

In more detail

Computer use is an AI operating a computer the way a person does: looking at the screen, moving the mouse, clicking buttons, typing into forms. No special hookup required — it works with apps and websites that were built for human hands and eyes.

It matters because most of the world’s software has no AI-friendly plug. Function calling needs a proper connection point; computer use needs only a screen. That unlocks old systems and everyday websites — and it demands strong guardrails, because the AI is genuinely driving.

📌 See it in action

You ask an assistant to file your expenses in the company’s ancient reporting portal — a website with no modern connections at all. The AI looks at the screen, clicks ‘New claim,’ types in each amount from your receipts, attaches the scans, and hits submit — exactly the way you would have.

Goes with
Agentic AI →Function Calling →Multimodal →

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