Check your storage: Chrome may be downloading a 4GB AI model — here’s what we know

Tom’s Guide

By Amanda Caswell

May 5, 2026

I didn’t expect Google Chrome to take up this much space on my computer. According to a recent report from Cybernews, some users have discovered a large file (around 4GB) quietly sitting inside Chrome’s system folders. The file is reportedly named weights.bin, and it may be tied to a new wave of AI features rolling out inside Google’s browser.

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