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chatgpt running fully offline on my 16gb laptop, no gpu

Did the run-AI-on-your-PC lesson with gemma4:e2b. Getting about 26 tokens/sec on the CPU, which is honestly fine for drafting emails and summarising stuff.
Pulled the wifi out to check it wasn't secretly online. Still answers. Very satisfying.
Open WebUI next so it actually looks like ChatGPT and I can stop using the terminal for it.
is gemma4:e2b good enough for long pdfs?
fine for a few pages. for long ones do the chat-with-your-documents lesson, that's what it's for