On-device AI: your next phone may answer before the cloud does

Chipmakers are shipping assistants that run on the phone itself. Here is what that changes for speed, privacy and battery life.

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What to look for

Battery life and software updates matter more than a spec sheet suggests. Check how many years of updates the maker promises, and read independent battery tests rather than the box claim.

• Decide your budget before you browse.
• Shortlist two or three options, not ten.
• Check reviews from people who have owned it for a few months.

Bottom line

Buy for how you’ll actually use it. The best option is the one that fits your routine, not the one with the longest feature list.