Claude’s share of UK AI subscription spending quadruples in seven months

Anthropic’s Claude took 29.4% of UK consumer spending on AI subscriptions in July. In December 2025, its share was 7.4%. ChatGPT’s share fell from 73.5% to 52.5% over the same seven months. The figures come from a new study of UK bank and card data, published on Thursday. The working paper, Who Pays…