Reddit rates both Stay Away. The split is what you want: the QuietComfort Ultra — don’t buy it — get the Sony instead. The WH-1000XM6 — don’t buy it — get the Bose instead.

Don’t buy it — get the Sony instead
+ Repeatedly mentioned as best-in-class for all-day wearability across hundreds of owner reports.
− A vocal minority finds the tuning too soft or colored, especially versus Sony's profile.
Full verdict →
Don’t buy it — get the Bose instead
+ Repeatedly mentioned as a reference point other headphones get measured against, across 103 owner reports.
− Durability comes up repeatedly — 104 reports flag it, led by hinge failures surfacing within 2–8 months.
Full verdict →Reddit rates both Stay Away. The split is what you want: the QuietComfort Ultra — don’t buy it — get the Sony instead. The WH-1000XM6 — don’t buy it — get the Bose instead.
Reddit's verdict is Stay Away. Don’t buy it — get the Sony instead. Sound and comfort hold up long-term, but ~1 in 3 long-term reports describe a failure — buy with eyes open.
Reddit's verdict is Stay Away. Don’t buy it — get the Bose instead. Strong ANC and sound praise, but ~1 in 3 long-term reports describe a hinge failure and only 31% would buy again — well below the 47% category average.