Brandwave

Oatly vs So Good:Which is more popular?

In September 2026, Oatly had more branded searches than So Good among plant milk brands in New Zealand. Oatly had about 610 branded searches, while So Good had 410. Oatly made up 11.9% of all plant milk brand searches we track, and So Good accounted for 8%. When we asked ChatGPT and Google AI Overviews about plant milk brands, So Good appeared in three of the five answers and Oatly in none.

Among plant milk brands in New Zealand in September 2026

Who do people search for more?

Oatly, about 49% more searches than So Good

Oatly 610 searchesSo Good 410 searches

Who does AI mention more?

So Good, mentioned in 3 of 5 answers, Oatly in 0

So Good in 3 of 5Oatly in 0 of 5

Who does AI recommend more?

So Good, the only one of the two named

So Good first in 3Oatly never named

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Top plant milk brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, So Good was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. Oatly 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. Boring Oat Milk1st
  2. Vitasoy2nd
  3. So Good2nd
  4. Oatly–
  5. Alpro–
  6. Califia Farms–

Mentioned by AI

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

  • Vitasoy4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Boring Oat Milk3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • So Good3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Oatly0 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 plant milk brands

5 answers

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 six plant milk brands we track, month by month, from searches in New Zealand.

Oatly and So Good among plant 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
MonthVitasoyBoring Oat MilkOatlyAlproSo GoodCalifia Farms
Oct 202525.4%35.4%17.6%12.8%8.3%0.5%
Nov 202522.2%41.8%16.1%11.2%8.1%0.49%
Dec 202525.5%33.2%16%16.6%8%0.62%
Jan 202629.2%32.6%15.5%11.6%10.6%0.46%
Feb 202625.1%26.8%30.1%10.5%7%0.5%
Mar 202627.7%30.5%23.5%10.2%7.7%0.44%
Apr 202629.7%31.3%19.6%11.5%7.4%0.45%
May 202630.2%29.7%22.2%9.9%7.4%0.63%
Jun 202636.2%26.1%18.9%9.8%8.4%0.48%
Jul 202636%29.2%17%8.9%8.5%0.41%
Aug 202633.9%28.9%20%8.3%8.5%0.41%
Sep 202635.5%32.9%11.9%11.3%8%0.39%

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 plant milk brands in New Zealand moved from 17.6% to 11.9%, and its estimated monthly branded searches moved from 700 to 610.
  • Across the 12 months ending September 2026, So Good’s share of searches among plant milk brands in New Zealand moved from 8.3% to 8%, and its estimated monthly branded searches moved from 330 to 410.

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

3 changes
  1. In September 2026, Alpro overtook So Good to rank 4th among plant milk brands in New Zealand, with 11.3% of the searches.

  2. In September 2026, Oatly lost share of searches among plant milk brands in New Zealand, from 20% to 11.9%.

  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?

8 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

6 branded search terms

  • oatly
  • oatly almond milk
  • oatly milk
  • oatly oat milk
  • oatly plant milk
  • oatly soy milk

So Good

2 branded search terms

  • so good
  • so good milk

How the Brand Demand Index is measured

Other head-to-heads among plant milk brands

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