Consumer & Shopping Prompt

Best air purifier for allergies

Which brands do AI models actually recommend for this consumer & shopping question? We re-run this regularly and track how the answers shift.

Tracked since Mar 21·Last scanned Mar 29

6

AI Models

18

Snapshots

65

Brands Detected

36

Sources Cited

50 brands come up when 6 AI models answer “Best air purifier for allergies”. We re-run this prompt every few days with web search on across ChatGPT, Claude, Gemini, Grok, DeepSeek, and Perplexity.

What AI models recommend

6 models queried · Last scanned Mar 29

Unanimous

6/6 models recommend Coway Airmega

ChatGPTChatGPT
ClaudeClaude
DeepSeekDeepSeek
GeminiGemini
GrokGrok
PerplexityPerplexity
Brand
ChatGPTChatGPT
ClaudeClaude
DeepSeekDeepSeek
GeminiGemini
GrokGrok
PerplexityPerplexity
Total
Coway AirmegaCoway Airmega
6/6
LevoitLevoit
6/6
Blue PureBlue Pure
5/6
AHAMAHAM
4/6
Blue Pure 311i+ MaxBlue Pure 311i+ Max
4/6
Blueair Blue Pure 311i+ MaxBlueair Blue Pure 311i+ Max
4/6
Consumer ReportsConsumer Reports
3/6
Coway Airmega ProXCoway Airmega ProX
3/6
NuWave OxyPureNuWave OxyPure
3/6
SquareSquare
3/6
RTINGSRTINGS
3/6
CNETCNET
2/6
Levoit Core 400SLevoit Core 400S
2/6
RTINGS.comRTINGS.com
2/6
cnet.comcnet.com
2/6
consumerreports.orgconsumerreports.org
2/6
housefresh.comhousefresh.com
2/6
AAFAAAFA
2/6
Levoit Core 200SLevoit Core 200S
2/6
Levoit Core 600SLevoit Core 600S
2/6
Klarta ForsteKlarta Forste
1/6
Levoit Smart HEPA Air PurifierLevoit Smart HEPA Air Purifier
1/6
Blueair Blue Pure 211+Blueair Blue Pure 211+
1/6
Coway Airmega AP-1512HHCoway Airmega AP-1512HH
1/6
DysonDyson
1/6
Dyson Purifier Humidify+CoolDyson Purifier Humidify+Cool
1/6
Dyson Purifier Humidify+Cool FormaldehydeDyson Purifier Humidify+Cool Formaldehyde
1/6
Levoit Core 400S Smart Air PurifierLevoit Core 400S Smart Air Purifier
1/6
MINIMINI
1/6
Winix 5500-2Winix 5500-2
1/6
AlexaAlexa
1/6
Blueair Classic Pro CP7iBlueair Classic Pro CP7i
1/6
CLEARCLEAR
1/6
Coway Airmega 400SCoway Airmega 400S
1/6
GermGuardianGermGuardian
1/6
GoogleGoogle
1/6
Google HomeGoogle Home
1/6
Corsi–Rosenthal boxCorsi–Rosenthal box
1/6
Coway Airmega 200MCoway Airmega 200M
1/6
PDFPDF
1/6
AmazonAmazon
1/6
Coway Airmega AP-1512HH MightyCoway Airmega AP-1512HH Mighty
1/6
ExcelExcel
1/6
ForbesForbes
1/6
NYTimesNYTimes
1/6
WirecutterWirecutter
1/6
forbes.comforbes.com
1/6
Alien Breathe Smart 75iAlien Breathe Smart 75i
1/6
Blue Pure 211i MaxBlue Pure 211i Max
1/6
Blueair Blue Pure 211i MaxBlueair Blue Pure 211i Max
1/6

Key Quotes

ClaudeClaude Sonnet 4.6Claude

Blueair Blue Pure 311i+ Max — Best Mid-Size Option The Blue Pure 311i+ Max is the strongest mid-size option for allergy-focused households, with coverage reaching 525 ft² in 12.5 minutes and a CADR of Pollen 446 cfm, Dust 370 cfm, and Smoke 339 cfm.

DeepSeekDeepSeek V3.2DeepSeek

Levoit Core 400S Smart Air Purifier - Why it’s great: Offers True HEPA filtration, effectively capturing 99.97% of airborne allergens like pollen, dust, and pet dander.

GeminiGemini 3 FlashGemini

Best Overall: Blueair Blue Pure 311i+ Max This is widely considered the best balance of performance, noise, and price.

ChatGPTGPT-5ChatGPT

A simple rule is the AHAM “2/3 rule”: tobacco-smoke CADR should be at least two-thirds of your room’s square footage (e.g., 12×15 ft = 180 sq ft → CADR ≥120).

GrokGrok 4.1 FastGrok

Blueair Blue Pure 311i+ Max – Best for Medium/Large Rooms & Speed (~$230–$300) Covers 350–650 sq ft.

Consumer & Shopping brand rankings

Brands ranked by how many AI models mention them. Trend shows change since the last scan.

#BrandScoreTrend
1Coway Airmega6/62
2Levoit6/65
3Blue Pure5/64
4AHAM4/61
5Blue Pure 311i+ Max4/61
6Blueair Blue Pure 311i+ Max4/62
7Coway Airmega ProX3/62
8Consumer Reports3/61
9NuWave OxyPure3/61
10RTINGS3/61
11Square3/63
12CNET2/61
13RTINGS.com2/61
14housefresh.com2/61
15Levoit Core 400S2/6
16Levoit Core 200S2/61
17cnet.com2/62
18AAFA2/61
19consumerreports.org2/62
20Levoit Core 600S2/62
21Google Home1/61
22Klarta Forste1/61
23Levoit Core 400S Smart Air Purifier1/61
24Levoit Smart HEPA Air Purifier1/61
25MINI1/61
26NYTimes1/6
27PDF1/6
28Winix 5500-21/61
29Wirecutter1/6
30forbes.com1/6
31Excel1/61
32Alexa1/61
33Alien Breathe Smart 75i1/61
34Amazon1/6
35Blue Pure 211i Max1/61
36Blueair Blue Pure 211+1/6
37Blueair Blue Pure 211i Max1/6
38Blueair Classic Pro CP7i1/61
39CLEAR1/61
40Corsi–Rosenthal box1/61
41Coway Airmega 200M1/6
42Coway Airmega 400S1/61
43Coway Airmega AP-1512HH1/61
44Coway Airmega AP-1512HH Mighty1/6
45Dyson1/6
46Dyson Purifier Humidify+Cool1/6
47Dyson Purifier Humidify+Cool Formaldehyde1/61
48Forbes1/6
49GermGuardian1/6
50Google1/61

Consumer & Shopping brand visibility over time

Track how brand mentions shift across AI models over time.

What changed and when

Every brand addition, removal, and citation change logged with timestamps.

Mar 29
ChatGPTgpt-5 rank changed for AAFA
Mar 29
DeepSeekdeepseek-chat stopped mentioning AHAM
Mar 29
DeepSeekdeepseek-chat stopped mentioning Levoit Vital 200S
Mar 29
DeepSeekdeepseek-chat stopped mentioning H13 True HEPA Air Purifier
Mar 29
DeepSeekdeepseek-chat stopped mentioning GermGuardian AC4825E
Mar 29
DeepSeekdeepseek-chat stopped mentioning MOOKA PR1 Pet Air Purifier
Mar 29
DeepSeekdeepseek-chat stopped mentioning Purivortex AC400
Mar 29
DeepSeekdeepseek-chat added citation consumerreports.org
Mar 29
DeepSeekdeepseek-chat added citation cnet.com
Mar 29
DeepSeekdeepseek-chat removed citation AHAM (Association of Home Appliance Manufacturers)

Where AI models get their sources

Domains cited by AI models when answering this prompt, ranked by how many models reference them.

Related consumer & shopping prompts

Frequently asked questions

Coway Airmega ranks first, mentioned by 6/6 AI models. Also mentioned often: Levoit, Blue Pure, AHAM.

6 AI models answer this prompt: Claude Sonnet 4.6, DeepSeek V3.2, Gemini 3 Flash, GPT-5, Grok 4.1 Fast, Perplexity. We look at each response to see which brands show up and what sources get cited.

On a recurring schedule. We run this prompt through every model with web search on, pull out brand mentions and citations, then flag anything that changed.

AI models cite 21 unique domains when answering this prompt. The most-cited sources include consumerreports.org, rtings.com, housefresh.com.

We regularly send real consumer & shopping prompts to ChatGPT, Claude, Gemini, Grok, DeepSeek, and Perplexity. Sign up free to track your own brand and competitors.

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