Brandwave

Kikkoman vs So Good:Which is more popular?

In September 2026, So Good had more branded searches than Kikkoman among soy milk brands in New Zealand. So Good had about 410 branded searches, while Kikkoman had 180. So Good made up 31.8% of all soy milk brand searches we track, and Kikkoman accounted for 14%. When we asked ChatGPT and Google AI Overviews about soy milk brands, So Good appeared in all five answers and Kikkoman in none.

Among soy milk brands in New Zealand in September 2026

Who do people search for more?

So Good, about 2 searches for every 1 for Kikkoman

So Good 410 searchesKikkoman 180 searches

Who does AI mention more?

So Good, mentioned in every answer we collected

So Good in 5 of 5Kikkoman in 0 of 5

Who does AI recommend more?

So Good, the only one of the two named

So Good first in 4Kikkoman never named

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Top soy milk brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, So Good appeared in all five answers. Kikkoman did not appear in any of the five answers.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Vitasoy1st
  2. So Good2nd
  3. Kikkoman–

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • Vitasoy5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • So Good5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Kikkoman0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about soy milk brands

5 answers
  • Asked ChatGPT

    “Which soy milk brand should I buy in New Zealand?”

    1. 1Vitasoy
    2. 2So Good
  • Asked ChatGPT

    “What are the best soy milk brands in New Zealand?”

    1. 1Vitasoy
    2. 2So Good
  • Asked ChatGPT

    “What's the best soy milk brand in New Zealand for coffee and cereal?”

    1. 1So Good
    2. 2Vitasoy
  • Searched Google, AI Overview

    “soy milk nz”

    1. 1Vitasoy
    2. 2So Good
  • Searched Google, AI Overview

    “barista soy milk”

    1. 1So Good
    2. 2Vitasoy

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in New Zealand on October 21, 2026.

Is Kikkoman or So Good more popular in search?

This chart shows how often people search Google for Kikkoman and So Good by name. Each line represents a brand's share of searches for all three soy milk brands we track, month by month, from searches in New Zealand.

Kikkoman and So Good among soy milk brands in New Zealand, by month

Share of searches by month for So Good, Kikkoman. The figures are in the table below the chart.

View monthly share of searches table
MonthVitasoySo GoodKikkoman
Oct 202539.8%39.8%20.5%
Nov 202539.7%42.3%17.9%
Dec 202543.7%36.6%19.7%
Jan 202638.5%42.2%19.3%
Feb 202643.2%34.6%22.2%
Mar 202646%35%19%
Apr 202644.3%31.1%24.5%
May 202647.2%28%24.8%
Jun 202646.2%29.9%23.9%
Jul 202650.8%32.5%16.7%
Aug 202650.8%34.2%15%
Sep 202654.3%31.8%14%

How has the Kikkoman and So Good comparison changed over the last 12 months?

3 findings
  • So Good was ahead of Kikkoman in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, Kikkoman’s share of searches among soy milk brands in New Zealand moved from 20.5% to 14%, and its estimated monthly branded searches moved from 170 to 180.
  • Across the 12 months ending September 2026, So Good’s share of searches among soy milk brands in New Zealand moved from 39.8% to 31.8%, and its estimated monthly branded searches moved from 330 to 410.

How did search popularity change for New Zealand soy milk brands in September 2026?

2 changes
  1. In September 2026, So Good lost share of searches among soy milk brands in New Zealand, from 34.2% to 31.8%.

  2. In September 2026, Kikkoman lost share of searches among soy milk brands in New Zealand, from 15% to 14%.

How are branded searches counted?

4 search terms

Brandwave collects information about searches that people make online using Kikkoman’s and So Good’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

Kikkoman

2 branded search terms

  • kikkoman
  • kikkoman cooking sake

So Good

2 branded search terms

  • so good
  • so good milk

How the Brand Demand Index is measured

Other head-to-heads among soy milk brands

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