What Happened
Westpac has released transaction data showing a dramatic acceleration in the number of Australians paying for artificial intelligence tools. An analysis of 8.3 billion Westpac customer credit card and debit card transactions found more than 150,000 retail customers in March paid for at least one AI subscription a month, with an average monthly spend of A$37.
That is a nearly 14-fold increase from the 11,000 Australians that paid to use AI in March 2023, and a 145 per cent jump from those paying to use it a year ago.
The bank, which has about 10 million customers in its retail businesses - including its St.George, BankSA and Bank of Melbourne brands - identified spending on AI services such as ChatGPT, Claude and Perplexity. The analysis did not include Google's Gemini, where access to the chatbot's premium service is included as part of a larger package of tools.
The data was reported by AAP News on 1 June 2026, with corroborating coverage from IT Brief Australia confirming the broader trend of rising AI adoption and a widening trust gap among Australian consumers.
Why It Matters
The numbers tell a story that goes well beyond tech-enthusiast spending. Three years ago, paying for an AI tool was a niche behaviour confined to roughly 11,000 Australians. Today, more than 150,000 Westpac customers alone are doing it every month. Scale that across all Australian banks and the picture becomes considerably larger.
For Australian businesses, this shift carries a direct implication: the workforce is already self-funding AI access. Employees who pay A$37 a month out of pocket for ChatGPT or Claude are not waiting for their employer's IT department to catch up. That creates both an opportunity and a governance challenge - one that a clear AI strategy and structured AI training programme can address before shadow-AI use becomes a compliance problem.
The comparison to streaming services is instructive. Netflix launched in Australia in 2015. Within a few years it moved from a novelty to a line item in household budgets. The Westpac data suggests AI subscriptions are following a similar curve, and the inflection point appears to be now.
Key Details
Westpac's A$5.6 million in monthly AI spend from its retail customers is, as the bank itself noted, just a fraction of those customers' A$6.7 billion annual outlay on subscriptions overall. The proportion is small today, but the growth rate is not.
The services captured in the data - ChatGPT, Claude and Perplexity - represent only part of the AI subscription market. Google's Gemini was excluded because its premium tier is bundled inside a broader product package, meaning the true figure for AI-related consumer spending is likely higher than the Westpac numbers alone suggest.
Westpac also noted its own internal AI deployment. The bank reported more than 35,000 users of its internal AI tooling, describing the uptake as "incredible." A spokesperson said: "It's really empowering our people to serve customers in a way that goes beyond what was possible before we gave them access to some of this tooling."
The bank's view on the trajectory was direct: "I think you're going to see AI tools becoming a mainstream utility like that, not just a niche extra."
Background and Context
Australia's AI adoption curve has been building for several years, but 2025 and 2026 appear to mark the point where consumer behaviour shifted from experimentation to commitment. Paying A$37 a month is a deliberate choice - it is not a free trial or a one-off curiosity click.
The IT Brief Australia report on the same period noted that Australians are turning to AI in growing numbers even as a trust gap widens, with many users adopting tools faster than they are forming considered views about data privacy or accuracy. That tension - rapid uptake alongside incomplete understanding - is precisely the environment where AI training and AI automations built on clear governance frameworks deliver the most value.
For the finance industry specifically, the Westpac data is a signal that customers are already integrating AI into their financial lives, whether banks facilitate that or not. Institutions that build AI-assisted customer service capabilities are not getting ahead of demand - they are catching up to it.
The Mindiam team's perspective, grounded in work with Australian operators, is consistent with what the Westpac figures show: AI adoption in Australia is not a future event to plan for. It is a present reality to manage. Our editorial standards and about page set out how we approach that reporting.
What Comes Next
The 145 per cent year-on-year growth rate in paying AI users is unlikely to be the peak. As AI tools improve and their pricing becomes more competitive, the barrier to subscription entry will fall further. The Westpac spokesperson's framing - "we're really just at the start of this" - reflects a view shared widely across the sector.
For Australian businesses, the practical next steps involve three things: understanding which AI tools their people are already using, building governance frameworks that make sanctioned AI use safer and more productive than shadow use, and investing in structured capability uplift so staff can extract genuine value rather than just paying for a subscription they underuse.
Mindiam's AI strategy service and AI automations practice are designed specifically for this moment - when the data confirms adoption is real and the gap between consumer behaviour and organisational readiness is widest.
The AI training question is equally pressing. Thirty-five thousand Westpac employees using internal AI tools is a meaningful number, but it only delivers value if those employees know how to use the tools well. That is a training and change-management challenge as much as a technology one.
Frequently Asked Questions
How many Australians are paying for AI subscriptions?
Based on Westpac's analysis of 8.3 billion customer credit card and debit card transactions, more than 150,000 of the bank's retail customers paid for at least one AI subscription in March 2026. This figure covers only Westpac's retail customer base, which numbers about 10 million across its brands including St.George, BankSA and Bank of Melbourne. The true national figure across all Australian financial institutions would be considerably higher.
How much are Australians spending on AI tools each month?
Among Westpac's retail customers, the average monthly AI subscription spend was A$37 per person in March 2026. Collectively, those customers spent A$5.6 million on AI subscriptions in that month alone. For context, Westpac customers spend A$6.7 billion annually on subscriptions of all kinds, so AI remains a small but rapidly growing share.
Which AI services are Australians paying for?
The Westpac transaction data identified spending on services including ChatGPT, Claude and Perplexity. Google's Gemini was not included in the figures because its premium tier is bundled inside a broader package of tools rather than sold as a standalone AI subscription. This means the Westpac data likely understates total AI-related consumer spending in Australia.
How fast is AI subscription adoption growing in Australia?
Growth has been steep. In March 2023, approximately 11,000 Westpac retail customers paid for an AI tool. By March 2026, that number had grown to more than 150,000 - a nearly 14-fold increase over three years. Year-on-year, the number of paying users rose 145 per cent between March 2025 and March 2026.
What does this mean for Australian businesses?
The data indicates that a significant portion of the Australian workforce is already self-funding AI tool access, independent of employer-provided solutions. This creates both an opportunity and a governance risk. Businesses that do not have a clear AI strategy and training framework in place are likely operating with unmanaged shadow-AI use already occurring across their teams.

