European banks are embracing artificial intelligence at a rapid pace, but their growing reliance on Anthropic’s Claude AI assistant is driving costs to unsustainable levels, creating financial strain across the industry.
The finance sector’s adoption of AI has reached fever pitch, even in Europe, which has traditionally lagged behind the United States in technology investment. Beyond major announcements from institutions like HSBC and Standard Chartered, fund managers, bankers, and traders report increasing experimentation with AI tools across operations ranging from routine tasks to sophisticated quantitative work.
Use cases span from compiling analyst recommendations into automated rating systems to training chatbots on portfolio allocation strategies that avoid repetitive responses. The most intensive applications involve heavy code-writing for quantitative traders, where Claude has become a favorite tool among technically minded bankers.
However, supply constraints for computing power combined with surging demand for Claude are pushing prices higher. The finance industry is rapidly adopting AI, but soaring costs for computing power and AI assistants like Claude are creating financial strain. Individual banks are facing bills that could escalate from tens of thousands to several million dollars as usage expands.
European bank executives mentioned artificial intelligence or AI during first-quarter 2026 earnings calls 514 times, a roughly 40 percent sequential increase and more than fourfold jump from the 127 mentions in the first quarter of 2025. This surge in AI adoption comes alongside intensified focus on cost control, with mentions of expenses and costs rising more than 25 percent at European bank earnings calls in early 2026.
The price increases continue even after Anthropic secured a deal with SpaceX to boost computing capacity, suggesting that demand is outpacing supply improvements. Banks are questioning the long-term pricing trajectory and their dependence on American AI companies, particularly as IT skills shift outward from traditional in-house teams.
The paradox facing European banks is clear: AI adoption is accelerating despite the financial strain, as institutions recognize they cannot afford to fall behind technologically while simultaneously grappling with bills that threaten near-term profitability.
Source: Bloomberg
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