Amazon's custom-designed computer chips have reached an annual run rate of $25 billion, according to a report from CFOtech Asia carried on Google News.

A "run rate" is a projection, not a bank statement. It takes a recent stretch of revenue — typically a quarter — and extrapolates it out over a full year. So the figure describes the pace Amazon's silicon business is currently running at, rather than money already collected over the past twelve months. It is a common way for companies to show how fast a young business line is scaling.

Custom silicon means chips a company designs for its own use instead of buying off the shelf. For a cloud provider, the appeal is straightforward: chips tuned to your own workloads can cut costs per unit of computing, reduce dependence on outside suppliers, and give you something competitors cannot simply order from a catalogue.

The source available here is a single headline-level report, and it does not spell out which product lines are counted in the $25 billion figure, what period the run rate is drawn from, or how the total breaks down between different types of chips. Those details matter for interpreting the number, and they should be treated as open questions until fuller reporting or company disclosure fills them in.

Why it matters: the market for AI and cloud computing hardware has been dominated by a small number of outside chip suppliers, and a number this size — if it holds up — suggests one of the largest buyers of that hardware is increasingly building its own.