← All verdicts
Consumer · Asked June 26, 2026
Best cordless vacuum under $400?
Verdict
Split
1 of 4 models chose Ryobi 18V ONE+ HP Advanced Whisper Series Stick Vacuum Kit
25%split
Where the models landed
Ryobi 18V ONE+ HP Advanced Whisper Series Stick Vacuum Kit
1 of 4
ChatGPT
Strong all-surface cleaning, useful pet tools, and swappable batteries make it the best value under $400.
Dyson V11
1 of 4
Claude
Strong suction, long runtime, and reliable build make it the best all-around cordless vacuum you can get under $400 in 2026.
Dyson V8
1 of 4
Gemini
It offers excellent suction, lightweight maneuverability, and advanced HEPA filtration for a budget-friendly price.
Shark PowerDetect Clean & Empty Cordless Vacuum
1 of 4
Grok
Wirecutter's 2026 top pick under $400, matching Dyson V12 cleaning with a self-emptying dock.