{"slug":"xiaomi-smart-air-purifier-4-compact","name":"Xiaomi Smart Air Purifier 4 Compact","domain":"mi.com","verdict":"As of 2026-07-07, ChatGPT, Claude, Gemini collectively rank Xiaomi Smart Air Purifier 4 Compact #5 of 10 for air purifier under $100. Source: https://modelsagree.com/product/xiaomi-smart-air-purifier-4-compact (modelsagree.com, CC BY 4.0).","best_rank":5,"categories":1,"entries":[{"slug":"best-air-purifier-under-100","title":"Best air purifier under $100?","rank":5,"of":10,"score":4,"appearances":1,"modelRanks":{"Gemini":2},"reason":"Offers class-leading smart features including Wi-Fi connectivity, app control, Alexa/Google Home voice assistant support, and a built-in PM2.5 sensor with automated speed adjustment.","reasons":[{"model":"Gemini","reason":"Offers class-leading smart features including Wi-Fi connectivity, app control, Alexa/Google Home voice assistant support, and a built-in PM2.5 sensor with automated speed adjustment."}],"fixes":[{"model":"Gemini","fix":"Enhance the thickness and density of its activated carbon filter layer to improve the adsorption of heavy odors and volatile organic compounds."}],"updated":"2026-07-07","rank_history":{"days":["2026-06-30","2026-07-07"],"ranks":[null,4]},"api":"https://modelsagree.com/api/v1/best/best-air-purifier-under-100.json"}],"page":"https://modelsagree.com/product/xiaomi-smart-air-purifier-4-compact","check":"https://modelsagree.com/check?q=Xiaomi%20Smart%20Air%20Purifier%204%20Compact","updated":"2026-08-10T18:18:45.051Z","attribution":"modelsagree.com, CC BY 4.0"}