Brandwave

Oatly vs So Good:Which is more popular?

In September 2026, Oatly and So Good were level in searches among oat milk brands in New Zealand, with an estimated 430 versus 410 branded searches, at 4.2% and 4% of the total. When we asked ChatGPT and Google AI Overviews about oat milk brands, Oatly appeared in two of the five answers and So Good in one.

Among oat milk brands in New Zealand in September 2026

Who do people search for more?

Oatly and So Good are searched for about as often as each other.

Oatly 430 searchesSo Good 410 searches

Who does AI mention more?

Oatly, mentioned in 2 of 5 answers, So Good in 1

Oatly in 2 of 5So Good in 1 of 5

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Top oat milk brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Oatly was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. So Good was mentioned in one out of five: not in any of the three ChatGPT answers, but in one of the two Google AI Overviews.

Mentioned by AI

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

  • Oatly2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • So Good1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Chobani0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Alpro0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Califia Farms0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about oat milk brands

5 answers
  • Asked ChatGPT

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

    1. Asked ChatGPT

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

      1. 1Oatly
    2. Asked ChatGPT

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

      1. 1Oatly
    3. Searched Google, AI Overview

      “oat milk nz”

      1. Searched Google, AI Overview

        “barista oat milk”

        1. 1So Good

      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 Oatly or So Good more popular in search?

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

      Oatly and So Good among oat milk brands in New Zealand, by month

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

      View monthly share of searches table
      MonthChobaniAlproOatlySo GoodCalifia Farms
      Oct 202582.7%5.8%6.9%4.3%0.26%
      Nov 202579.1%6.7%8.3%5.6%0.34%
      Dec 202574.8%10.7%8.3%5.8%0.45%
      Jan 202680.2%6%7%6.5%0.28%
      Feb 202678.7%5.1%11.8%4.1%0.29%
      Mar 202681%5.7%8%5%0.29%
      Apr 202679.2%6.8%8.4%5.2%0.32%
      May 202682.8%5.1%7.2%4.5%0.39%
      Jun 202686.6%3.9%5.3%4%0.23%
      Jul 202686.2%3.9%5.3%4.4%0.22%
      Aug 202686.7%3%6.2%3.9%0.19%
      Sep 202686.8%4.7%4.2%4%0.2%

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

      3 findings
      • Oatly was ahead of So Good in every measured month of the 12 months ending September 2026.
      • Across the 12 months ending September 2026, Oatly’s share of searches among oat milk brands in New Zealand moved from 6.9% to 4.2%, and its estimated monthly branded searches moved from 530 to 430.
      • Across the 12 months ending September 2026, So Good’s share of searches among oat milk brands in New Zealand moved from 4.3% to 4%, and its estimated monthly branded searches moved from 330 to 410.

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

      3 changes
      1. In September 2026, Alpro overtook Oatly and So Good to rank 2nd among oat milk brands in New Zealand, with 4.7% of the searches.

      2. In September 2026, Oatly lost share of searches among oat milk brands in New Zealand, from 6.2% to 4.2%.

      3. Estimated monthly branded searches for So Good in New Zealand rose 24.2% over 12 measured months, from 330 to 410 in September 2026.

      How are branded searches counted?

      4 search terms

      Brandwave collects information about searches that people make online using Oatly’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.

      Oatly

      2 branded search terms

      • oatly
      • oatly milk

      So Good

      2 branded search terms

      • so good
      • so good milk

      How the Brand Demand Index is measured

      Other head-to-heads among oat milk brands

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