Buy the Comfee Electric Kettle.

It boils faster, rates higher, and costs less than either rival, no gimmicks needed.

What was compared

1. Owners rate it higher than both rivals
The COMFEE' sits at 4.6 stars against 4.4 for the Cosori and the Chefman, backed by over 16,700 ratings. That gap is small on paper but consistent, and it means fewer buyers ending up disappointed.
2. Boils faster and quieter than the Chefman
A British Strix thermostat gets a full kettle boiling in 5 to 7 minutes here. Testing on the Chefman's temperature-control version found it took noticeably longer to heat and ran louder doing it.
3. Does the same job for less money
At $26.91 this undercuts the Cosori by a dollar and the Chefman by eight. All three boil water, shut off automatically and protect against dry boiling, so the extra cash on the Chefman buys nothing most people will ever notice.
4. Presets you will probably never touch
Chefman's 5 temperature presets and built-in infuser are real if you brew different teas daily and want dial-in precision, then go get it, that is the right kettle for that. But reviewers flagged a cheap-feeling base and a slower, louder boil, and we do not think that is most people buying a kettle.
5. No, Cosori is not the only plastic-free one
Cosori leans hard on its no-plastic-contact marketing, but the COMFEE' is also stainless steel inside with no plastic touching the water. You are not trading away material safety by skipping it, just paying for a slogan.