Anthropic’s growth slows ahead of IPO as AI spending bill nears $900bn

Anthropic’s revenue has surged twelvefold to nearly $17bn (£13bn), but the AI giant has slipped back into the red as its computing commitments approach $900bn ahead of a potentially record-breaking stock market debut. The Claude maker revealed the figures in an updated IPO filing on Monday, offering investors a fresh look at its finances just weeks before its expected Nasdaq listing. Revenue jumped from $1.4bn a year earlier to almost $17bn in the three months to September, although quarterly growth slowed sharply to 47 per cent, compared with 144 per cent in the previous quarter. The slowdown comes as Anthropic faces growing competition from cheaper AI models and mounting pressure to justify the extraordinary sums being spent on computing infrastructure. The company reported a $567m operating loss for the quarter, reversing a $974m profit in the previous three months, its first profitable quarter. Operating expenses climbed 292 per cent year on year to $17.5bn, includin