Ito En Oi Ocha vs Vitaminwater Zero
How do Ito En Oi Ocha and Vitaminwater Zero compare inside AI answers? Across the latest Famewise run, here is each brand's visibility in ChatGPT, Claude and Gemini — and how often they are named together.
Relative share of voice
Of the 158 mentions across the two brands, Ito En Oi Ocha takes 77% and Vitaminwater Zero 23%. They are named together in 28 answers.
How this is measured
Famewise generates the category-level questions consumers ask AI assistants, then asks them to current OpenAI GPT, Anthropic Claude and Google Gemini models — each question with web search on and off. An extraction model records every brand named in every answer, the position of its first mention, and the sentiment toward it. Brands are ranked by share of voice: the number of answers that mention them. Every number reflects the latest scheduled run.
Frequently asked questions
Is Ito En Oi Ocha or Vitaminwater Zero more visible in AI answers?
In the latest Famewise run, Ito En Oi Ocha is named in 121 AI answers and Vitaminwater Zero in 37. Ito En Oi Ocha has the higher share of voice. The two are named together in 28 answers.
How are Ito En Oi Ocha and Vitaminwater Zero measured?
Famewise asks current OpenAI GPT, Anthropic Claude and Google Gemini models the questions consumers ask in these brands' categories — with and without web search — and records every brand each answer names, its position, and the sentiment toward it.
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