← All verdicts
Consumer · Asked June 26, 2026
Best air purifier under $300?
Verdict
Split
2 of 4 models chose Coway Airmega AP-1512HH Mighty
50%split
Where the models landed
Coway Airmega AP-1512HH Mighty
2 of 4
Claude
Proven HEPA performance, quiet auto mode, and low filter costs make it the best value under $300.
Gemini
It offers top-tier HEPA filtration, extremely quiet performance, and low long-term filter replacement costs.
Coway Airmega 350
1 of 4
ChatGPT
Powerful large-room cleaning, fast auto sensing, quiet operation, and current sale pricing put it under $300.
Coway Airmega Mighty2
1 of 4
Grok
Wirecutter's 2026 top pick — quieter, more efficient, and better-performing than the classic Mighty for everyday home use.