
Duet by David Toutain occupies a glasshouse on the seventh floor of The Ritz-Carlton Bangkok at 189 Wireless Road. The restaurant is built around modern French tasting menus with vegetables, herbs and fermentation carrying as much weight as luxury proteins. It is a deliberate evening rather than a quick hotel dinner, and the booking works best when every guest is comfortable with a long, chef-led sequence.
The current published choices are a Signature Menu at THB 5,800++ and a Discovery Menu at THB 4,500++. Wine pairings are THB 3,200++ and THB 2,600++ respectively, while zero-proof pairings are THB 1,600++ and THB 1,200++. The restaurant opens daily from 5.30pm to 10pm, with last seating at 9.30pm, but an earlier table gives the room and pacing more space.
Why Duet Feels Different
The glasshouse separates Duet from the busier public rooms of One Bangkok and gives the meal a calm visual frame. David Toutain is known for building dishes around plants, roots, leaves and woodland aromas rather than treating vegetables as garnish. Diners should expect technique and surprise, but not a parade of heavy sauces or oversized luxury ingredients.

Choose A Menu
The Discovery Menu is the more approachable entry in both price and length. Signature is the fuller expression and suits diners who want the restaurant’s complete arc. Ask how many courses and how much time each requires on your date. If one person has a smaller appetite, the shorter menu is often wiser than rushing the final third of the evening.

Drinks Pairings
Wine pairings add a substantial amount to the bill and make the experience more structured. The zero-proof option is not simply an afterthought; it can mirror acidity, texture and aroma without alcohol. Couples can also order by the glass or choose water and tea. Decide based on pace and taste rather than feeling that a pairing is required for the menu to work.

Dietary Requests
Share allergies, intolerances, pregnancy restrictions and strong dislikes when booking, not after the first course arrives. A plant-led kitchen can still use shellfish stock, dairy, eggs, alcohol and fermented ingredients. The restaurant may not be able to redesign every course at short notice. Confirm whether two guests with different restrictions can be accommodated in the same menu.
Timing The Evening
Allow roughly three hours and avoid putting a fixed show or airport transfer immediately afterwards. A 5.30pm or 6pm table offers daylight over the city and a gentler arrival through One Bangkok. Later seating works for guests coming from work, but the last table gives less margin for traffic, valet delays or a pre-dinner drink.
Dress And Atmosphere
Smart evening clothes fit the room without requiring theatrical formality. The glass, greenery and soft lighting do much of the visual work. Keep photography discreet and ask before using flash or filming staff. Duet suits anniversaries and serious food travellers, yet the mood is more contemporary than ceremonial; curiosity matters more than knowing fine-dining vocabulary.
Budget The Whole Bill
The ++ notation means service charge and VAT are added. Two Signature menus with wine pairings therefore move well beyond the menu headline. Include transport, drinks and any celebration extras before booking. The Discovery menu with zero-proof pairings can preserve the sense of occasion while controlling both spend and alcohol across a long Bangkok evening.
Getting There
The Ritz-Carlton Bangkok is part of One Bangkok on Wireless Road. MRT Lumphini is the most dependable rail approach, followed by the internal walk through the development. Drivers should allow for evening congestion around Rama IV and Wireless Road. Ask the restaurant which hotel entrance and lift bank offer the simplest arrival, especially for guests with limited mobility.
Who Should Book
Choose Duet for a polished, exploratory tasting menu, a special-occasion room and a modern French perspective grounded in plants. It is less suitable for groups wanting to order freely, finish in an hour or centre the night on large portions. First-time tasting-menu diners may find Discovery the clearer starting point, particularly without a full wine pairing.
Booking Questions
When reserving, confirm the chosen menu, total dietary accommodations, expected duration and cancellation policy in one message. Ask whether the table has a sunset view only as a preference, because a particular position cannot always be guaranteed. Celebration notes should be shared early, including whether a cake, candle or flowers are permitted. On the day, reconfirm major restrictions without asking the kitchen to redesign the meal. A clear booking protects both the guest and restaurant: Duet can prepare its sequence, while diners arrive knowing the price structure, pacing and limits of the experience.
At A Glance
- Address: 7th floor, The Ritz-Carlton Bangkok, 189 Wireless Road.
- Hours: Daily, 5.30pm-10pm; last seating 9.30pm.
- Signature: THB 5,800++ per person.
- Discovery: THB 4,500++ per person.
- Phone: +66 2 180 7798.
Keep Planning
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Questions
Which menu is best first time?
Discovery is the more approachable introduction; Signature is the full experience.
Is there a non-alcoholic pairing?
Yes. Duet publishes zero-proof pairings for both menus.
How long should dinner take?
Reserve roughly three hours and avoid a tight commitment afterwards.
Can allergies be accommodated?
Ask before booking; complex restrictions may require advance approval from the kitchen.





