What is a context window? The AI's working memory

Lesson 2 of how the AI thinks: everything the model can see at once, including its own answer. Why it fills up, and why bigger isn't automatically…

Aliteq
Sam Ortega · Build Editor

You now understand

The context window is everything the model can see at once

You now understand

Your messages, files, instructions and its own answer all use it

You now understand

More context can lower accuracy (context rot)

What this means for your app

Coding tools put your files into the window. A big project can't all fit, so the tool picks which files to show the model. When the AI "doesn't know" about a file, it often simply wasn't on the…

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What is a context window? The AI's working memory

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