CommBank vs St.George:Which is more popular?
In September 2026, St.George had more branded searches than CommBank among credit cards in Australia. St.George had about 376,000 branded searches, while CommBank had 33,100. St.George made up 50.5% of all credit card searches we track, and CommBank accounted for 4.4%. When we asked ChatGPT and Google AI Overviews about credit cards, CommBank appeared in one of the five answers and St.George in none.
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Top credit cards in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, CommBank was mentioned in one out of five: not in any of the three ChatGPT answers, but in one of the two Google AI Overviews. St.George 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.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
American Express4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Coles2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
CommBank1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
ANZ1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Latitude1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
NAB1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Westpac1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
St.George0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Bankwest0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about credit cards
5 answers
Asked ChatGPT
“What's the best credit card in Australia?”
Asked ChatGPT
“Which credit card should I get with no annual fee?”
Asked ChatGPT
“What's the best rewards credit card in Australia?”
Searched Google, AI Overview
“credit card”
Searched Google, AI Overview
“credit cards australia”
Brands are shown in the order each answer named them. The survey took place in Australia on October 27, 2026.
Share of searches by month for St.George, CommBank. The figures are in the table below the chart.
View monthly share of searches table
| Month | St.George | Bankwest | CommBank | ANZ | Latitude | NAB | Westpac | Coles | American Express |
|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 54.4% | 30.1% | 2.7% | 2.7% | 2.2% | 2.2% | 1.8% | 3.2% | 0.79% |
| Nov 2025 | 55.1% | 30.5% | 2.7% | 2.7% | 2.2% | 2.2% | 1.8% | 2.2% | 0.65% |
| Dec 2025 | 59.2% | 26.8% | 2.4% | 2.4% | 2.4% | 1.9% | 1.9% | 2.4% | 0.7% |
| Jan 2026 | 56.6% | 25.8% | 3.4% | 3.4% | 2.8% | 2.8% | 2.3% | 2.3% | 0.82% |
| Feb 2026 | 58% | 26.3% | 2.8% | 2.8% | 2.3% | 2.8% | 2.3% | 1.9% | 0.69% |
| Mar 2026 | 54% | 29.9% | 2.6% | 2.6% | 3.2% | 2.6% | 2.2% | 2.2% | 0.64% |
| Apr 2026 | 58.6% | 26.5% | 2.3% | 2.3% | 3.5% | 2.3% | 1.9% | 1.9% | 0.57% |
| May 2026 | 58.4% | 26.5% | 2.3% | 2.9% | 2.9% | 2.3% | 1.9% | 2.3% | 0.57% |
| Jun 2026 | 58.6% | 26.5% | 2.3% | 2.3% | 3.5% | 2.3% | 1.9% | 1.9% | 0.57% |
| Jul 2026 | 53.5% | 29.5% | 2.6% | 2.6% | 3.9% | 2.6% | 2.1% | 2.6% | 0.63% |
| Aug 2026 | 49.5% | 27.9% | 5.3% | 3.6% | 3.6% | 3.6% | 2.9% | 2.9% | 0.71% |
| Sep 2026 | 50.5% | 28.1% | 4.4% | 3.6% | 3.6% | 3.6% | 3% | 2.4% | 0.59% |
CommBank sells other things too, so only its searches that name this product count here, like “commbank credit card”.
How has the CommBank and St.George comparison changed over the last 12 months?
3 findings
- St.George was ahead of CommBank in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, CommBank’s share of searches among credit cards in Australia moved from 2.7% to 4.4%, and its estimated monthly branded searches moved from 22.2K to 33.1K.
- Across the 12 months ending September 2026, St.George’s share of searches among credit cards in Australia moved from 54.4% to 50.5%, and its estimated monthly branded searches moved from 454K to 376K.
How did search popularity change for Australia credit cards in September 2026?
2 changes
In September 2026, St.George gained share of searches among credit cards in Australia, from 49.5% to 50.5%.
In September 2026, CommBank lost share of searches among credit cards in Australia, from 5.3% to 4.4%.
How are branded searches counted?
3 search terms
Brandwave collects information about searches that people make online using CommBank’s and St.George’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.
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