What 1.5 trillion tokens a month actually costs

An analysis of a viral Cursor profile processing 1.5 trillion tokens a month reveals that agent token costs are heavily offset by prompt caching, where cache reads account for roughly 97% of usage. The author calculates that at a blended rate, such heavy usage actually costs about $500,000 a month rather than millions, and outlines practical strategies for developers to avoid expensive cache rebuilds. Open article →