{"slug":"coway-airmega-400s","name":"Coway Airmega 400S","domain":"cowaymega.com","verdict":"As of 2026-07-01, ChatGPT collectively rank Coway Airmega 400S #4 of 5 for air purifier for smoke. Source: https://modelsagree.com/product/coway-airmega-400s (modelsagree.com, CC BY 4.0).","best_rank":4,"categories":1,"entries":[{"slug":"best-air-purifier-for-smoke","title":"Best air purifier for smoke?","rank":4,"of":5,"score":2,"appearances":1,"modelRanks":{"ChatGPT":4},"reason":"reliable large-room performance, dual-filter intake, strong particle removal, quieter operation, smart controls, and lower ownership hassle than many premium units","reasons":[{"model":"ChatGPT","reason":"reliable large-room performance, dual-filter intake, strong particle removal, quieter operation, smart controls, and lower ownership hassle than many premium units"}],"fixes":[{"model":"ChatGPT","fix":"higher smoke CADR"}],"updated":"2026-07-01","api":"https://modelsagree.com/api/v1/best/best-air-purifier-for-smoke.json"}],"page":"https://modelsagree.com/product/coway-airmega-400s","check":"https://modelsagree.com/check?q=Coway%20Airmega%20400S","updated":"2026-08-10T18:18:45.051Z","attribution":"modelsagree.com, CC BY 4.0"}