AI assistants most often recommend Google Drive for cloud storage services in 🇯🇵 Japan (日本語), naming it in 100% of the buyer questions we tested, followed by Dropbox and Microsoft OneDrive. We asked an AI model the questions buyers ask about cloud storage services and tallied which brands it named most — "share of voice" in AI answers, who AI recommends when no human is watching.
| # | Brand | AI share of voice |
|---|---|---|
| 1 | Google Drive | 6/6 (100%) |
| 2 | Dropbox | 6/6 (100%) |
| 3 | Microsoft OneDrive | 6/6 (100%) |
| 4 | Box | 4/6 (67%) |
| 5 | Amazon Drive | 1/6 (17%) |
Method: 6 representative buyer questions via a large language model, 🇯🇵 Japan (日本語). Updated 6/23/2026. A proxy for how AI assistants describe this category.
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