Meta is paying roughly $6.5bn (£4.82bn) in extra financing costs to keep $27bn of AI infrastructure borrowing off its balance sheet, a costly accounting choice that captures the mood in Big Tech’s race to build the pipes of AI without spooking investors. The arrangement, known as special purpose vehicle financing (SPV), allows an external entity to raise debt, construct the data centre, and lease it back to the tech group. On paper, Meta books lease payments rather than traditional borrowing, but really, it has committed to decades…