Air Purifiers · Head to head

Blueair Blue Pure 511i Max vs Levoit Core 400S-P

Full Smart Air Purifiers comparison in 2026

Updated August 2026
Data from Amazon and official Blueair and Levoit sites.
2026 verdict
For most buyers in 2026, Levoit Core 400S-P is the safer pick over Blueair Blue Pure 511i Max because of rating, warranty, and integrations. It builds its lead on rating, warranty, and integrations, then backs it up with a stronger showing on AHAM verifide. Pick Blueair Blue Pure 511i Max only when price, filtration, and sensors are the deciding factor for your setup. As a general recommendation, Levoit Core 400S-P comes out on top.
FeatureBlueair Blue Pure 511i MaxLevoit Core 400S-PWinner
Price$118.99$181.91Blueair Blue Pure 511i Max
Rating4.54.7Levoit Core 400S-P
Warranty1 year2 yearsLevoit Core 400S-P
IntegrationsGoogle Home, AlexaGoogle Home, Alexa, Home AssistantLevoit Core 400S-P
FiltrationHEPA Filter, Activated Carbon Filter, Washable Pre-FilterHEPA Filter, Activated Carbon FilterBlueair Blue Pure 511i Max
SensorsPM1, PM2.5, PM10PM2.5Blueair Blue Pure 511i Max
AHAM VerifideNOYESLevoit Core 400S-P
Connectivity2.4 GHz WiFi2.4 GHz WiFiTie
Auto ModeYESYESTie

Frequently Asked Questions

Which is better overall: Blueair Blue Pure 511i Max or Levoit Core 400S-P?

Levoit Core 400S-P has the stronger overall profile in this comparison, especially for rating, warranty, and integrations.

What is the biggest difference between Blueair Blue Pure 511i Max and Levoit Core 400S-P?

Price is one of the clearest differences: Blueair Blue Pure 511i Max lists $118.99, while Levoit Core 400S-P lists $181.91.

Which one looks better on price?

Blueair Blue Pure 511i Max is listed at $118.99, while Levoit Core 400S-P is listed at $181.91. Blueair Blue Pure 511i Max (better spec).

Who should buy Blueair Blue Pure 511i Max?

Choose Blueair Blue Pure 511i Max if your priority is price and filtration and that matters more than rating.

Who should buy Levoit Core 400S-P?

Choose Levoit Core 400S-P if your priority is rating and warranty and that matters more than price.

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