Side by side Cheval Blanc Paris vs Mandarin Oriental, Paris

A room here starts above 2,000 euros a night in summer, and most of what people describe getting for it is real: a butler walking you to a balcony suite over the Seine, a bottle of Ruinart opened on arrival, gifts left at turndown most nights of the stay. The building itself, all glass and pale stone and a staircase people photograph more than the art, is genuinely one of the most striking hotels in Paris, though it splits opinion: some guests find it fresh and youthful next to the Ritz or Le Meurice, others think it feels more like a smart apartment building than anything distinctly French. Plenitude, the three-Michelin-star restaurant upstairs, gets talked about the way a trip highlight gets talked about, not just a hotel meal.

The service is where the promise gets uneven. A concierge spent real effort tracking down an Hermes appointment for one guest; a birthday stay drew a spontaneous chorus of well-wishes from staff who had no reason to bother. But a July heatwave exposed a hotel with no working air conditioning in rooms, restaurants, or public areas, and instead of admitting it, staff reportedly told guests Europe just doesn't do AC, which is a strange line from an LVMH palace hotel charging Ritz prices. Rooms on the sixth floor sit under a rooftop restaurant with furniture that gets dragged around well past 1am, and more than one guest has lost a night's sleep to it. Langosteria, the Italian spot, comes up often as the weak link at dinner: slow, indifferent, food that doesn't match the room it's served in.

None of this is enough to talk anyone out of booking, and it shouldn't be. Book it for Plenitude, the Dior Spa, and a room over the river that nobody who's stayed there seems to forget. Ask for a floor away from the seventh, and don't assume the AC will save you in August.

This is the modern Mandarin Oriental take on a Paris palace, and what you're paying for is consistency: the staff here get named by guests constantly, for things like tracking down a lost dietary note or handing a kid his own umbrella at the door. The location on rue Saint-Honoré is about as good as Paris gets, steps from Place Vendôme with the Louvre and Tuileries an easy walk, and the rooms run genuinely large by Paris standards, several guests specifically compare the space favorably to other central hotels.

The trade-off is character. More than one traveller has called the design sleek and modern rather than dripping in old-world Parisian charm, and if you want tapestries and creaking parquet, this isn't it: some bathrooms are open-plan with glass or frosted partitions, which is chic but not private if you're sharing a room with someone you don't already share a bathroom with. There's also a real gap between the median experience and the worst one. One guest had a confirmed late checkout cancelled with no warning, costing them a lunch reservation, and another described stained sinks and a bathroom door that wouldn't close. Those aren't the norm, but they happened, and at this rate they shouldn't.

Book it if you want a central, polished stay with service that notices small things, a genuinely good breakfast at Camélia, and don't need the building itself to feel like a museum piece. If old-world Parisian atmosphere is the whole point of your trip, the Ritz or Crillon will scratch that itch better, this is the choice for people who want the Mandarin Oriental standard applied to Paris rather than a Paris palace with a Mandarin Oriental sign on it.