Califia Farms vs Oatly:Which is more popular?
In September 2026, Oatly had more branded searches than Califia Farms among plant milk brands in the United Kingdom. Oatly had about 6,600 branded searches, while Califia Farms had 720. Oatly made up 31.3% of all plant milk brand searches we track, and Califia Farms accounted for 3.4%. When we asked ChatGPT and Google AI Overviews about plant milk brands, Oatly appeared in all five answers and Califia Farms in three. Califia Farms was mentioned before Oatly in three out of five answers.
Who do people search for more?
Oatly, about 9 searches for every 1 for Califia Farms
Who does AI mention more?
Oatly, mentioned in every answer we collected
Who does AI recommend more?
Califia Farms, named ahead of Oatly in 3 of 5 answers
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Top plant milk brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Oatly appeared in all five answers. Califia Farms was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Califia Farms was listed before Oatly in three out of five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
- Oatly1st
- Califia Farms2nd
Alpro3rd
Minor Figures4th
MOMA5th
Rude Health6th
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Oatly5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Alpro3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- MOMA3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Minor Figures3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Califia Farms3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Rude Health1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about plant milk brands
5 answers
Asked ChatGPT
“What's the best oat milk in the UK?”
Asked ChatGPT
“Which plant milk brand is best for coffee?”
Asked ChatGPT
“What are the best dairy free milk brands in the UK?”
Searched Google, AI Overview
“oat milk”
Searched Google, AI Overview
“best oat milk”
Brands are shown in the order each answer named them. The survey took place in United Kingdom on October 23, 2026.
Is Califia Farms or Oatly more popular in search?
This chart shows how often people search Google for Califia Farms and Oatly 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 United Kingdom.
Share of searches by month for Oatly, Califia Farms. The figures are in the table below the chart.
View monthly share of searches table
| Month | Oatly | Alpro | MOMA | Minor Figures | Rude Health | Califia Farms |
|---|---|---|---|---|---|---|
| Oct 2025 | 31.4% | 25.6% | 14% | 14% | 11.2% | 3.9% |
| Nov 2025 | 35.9% | 23.9% | 12.8% | 12.8% | 10.6% | 3.9% |
| Dec 2025 | 36.1% | 24.1% | 13.1% | 10.4% | 13.1% | 3.2% |
| Jan 2026 | 30% | 30% | 13.3% | 13.3% | 10.7% | 2.7% |
| Feb 2026 | 48.8% | 21.8% | 9.6% | 9.6% | 7.9% | 2.4% |
| Mar 2026 | 41.8% | 22.8% | 12.4% | 10% | 10% | 3% |
| Apr 2026 | 33.5% | 27.3% | 14.9% | 12% | 9.9% | 2.4% |
| May 2026 | 35.2% | 23.5% | 15.7% | 12.6% | 10.4% | 2.6% |
| Jun 2026 | 36.8% | 24.6% | 16.4% | 10.9% | 8.6% | 2.7% |
| Jul 2026 | 32.7% | 26.8% | 14.4% | 11.9% | 11.9% | 2.4% |
| Aug 2026 | 32.2% | 26.4% | 17.6% | 11.7% | 9.3% | 2.9% |
| Sep 2026 | 31.3% | 25.6% | 17% | 13.7% | 9% | 3.4% |
How has the Califia Farms and Oatly comparison changed over the last 12 months?
3 findings
- Oatly was ahead of Califia Farms in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Califia Farms’ share of searches among plant milk brands in the United Kingdom moved from 3.9% to 3.4%, and its estimated monthly branded searches moved from 1K to 720.
- Across the 12 months ending September 2026, Oatly’s share of searches among plant milk brands in the United Kingdom moved from 31.4% to 31.3%, and its estimated monthly branded searches moved from 8.1K to 6.6K.
How did search popularity change for United Kingdom plant milk brands in September 2026?
2 changes
In September 2026, Califia Farms gained share of searches among plant milk brands in the United Kingdom, from 2.9% to 3.4%.
In September 2026, Oatly lost share of searches among plant milk brands in the United Kingdom, from 32.2% to 31.3%.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Califia Farms’ and Oatly’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.
Califia Farms
1 branded search term
- califia farms
Oatly
1 branded search term
- oatly
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