Which wine brands do AI assistants recommend in Japan? Q4 2026
In Japan, AI assistants most often recommend Mercian, Suntory and Yellow Tail for wine. Mercian is named by 3 of 5 assistants.
What the data says
Mercian (Kirin Holdings) is the wine brand AI assistants recommend most in Japan, taking 11.8% of all recommendation points across 5 assistants. Suntory follows with 8.7% and Yellow Tail is third with 7.6%.
Mercian's lead over Suntory is 3.1 points, a clear advantage in how AI shortlists the category.
Gemini puts Mercian first, while ChatGPT favours Suntory, Claude favours Moët & Chandon, DeepSeek favours Suntory and Grok favours Barefoot.
The top five brands hold 41% of recommendations out of 42 brands named in total, leaving room for challengers to break into AI shortlists.
| # | Brand | Owner | AI share | ChatGPT | Claude | DeepSeek | Gemini | Grok |
|---|---|---|---|---|---|---|---|---|
| 1 | Mercian | Kirin Holdings | 11.8% | 50 | – | 80 | 105 | – |
| 2 | Suntory | Suntory | 8.7% | 70 | – | 103 | – | – |
| 3 | Yellow Tail | Casella Family Brands | 7.6% | 60 | – | 8 | 16 | 68 |
| 4 | Moët & Chandon | LVMH | 7% | 35 | 35 | 35 | 35 | – |
| 5 | Veuve Clicquot | LVMH | 6% | 25 | 20 | 25 | 25 | 25 |
| 6 | Whispering Angel | Château d'Esclans | 6% | 25 | 35 | 25 | – | 35 |
| 7 | Barefoot | E. & J. Gallo | 5.6% | 12 | 20 | – | – | 80 |
| 8 | Jacob's Creek | Pernod Ricard | 5% | – | 20 | 28 | 12 | 40 |
| 9 | Dom Pérignon | LVMH | 4.2% | 20 | 25 | 20 | – | 20 |
| 10 | Concha y Toro | Viña Concha y Toro | 4% | – | 35 | – | 45 | – |
| 11 | Suntory Akadama | Beam Suntory | 2.2% | – | – | – | 45 | – |
| 12 | Mateus Rosé | Sogrape | 2.2% | – | 20 | – | 25 | – |
| 13 | Grace Wine | Grace Wine | 2.2% | – | – | 44 | – | – |
| 14 | Freixenet | Henkell Freixenet | 1.8% | 8 | – | – | 20 | 8 |
| 15 | Mateus | Sogrape | 1.8% | 35 | – | – | – | – |
| 16 | Moet & Chandon | LVMH | 1.8% | – | – | – | – | 35 |
| 17 | Kim Crawford | Constellation Brands | 1.8% | – | 35 | – | – | – |
| 18 | Jacob’s Creek | Pernod Ricard | 1.6% | 8 | 25 | – | – | – |
| 19 | Manns | Mercian | 1.6% | – | – | 20 | 12 | – |
| 20 | Bandol | Generic | 1.2% | – | – | – | – | 25 |
Questions about AI wine recommendations
- Which wine brand does ChatGPT recommend most in Japan?
- ChatGPT recommends Suntory most often for wine in Japan. Across all assistants, Mercian leads with 11.8% of recommendations.
- Which wine brand is improving fastest in Japan?
- Moët & Chandon has the strongest momentum among challengers: AI names it first in 4 of 4 answers where it appears, while holding 7% share. This is the first Q4 2026 reading; change over time will be shown from the next update.
- How is the ranking calculated?
- We ask each AI assistant the questions shoppers ask in each category and market, record the top five brands it names, and give 35, 25, 20, 12 and 8 points for positions one to five. Share is a brand's points divided by all points awarded.
Wine: AI rankings by country
Covers: Red Wine, Rosé Wine, Sparkling Wine & Champagne, White Wine.
Method: each AI assistant is asked the shopper questions for every segment in the category and market; the top five brands named score 35, 25, 20, 12 and 8 points. Share is a brand's points divided by all points awarded. Rankings reflect AI answers, not sales.
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