# Quoting Karen Kwok for Reuters Breakingviews

> Source: <https://simonwillison.net/2026/May/31/anthropic-run-rate/#atom-everything>
> Published: 2026-05-31 01:48:12+00:00

31st May 2026

Anthropic defines “run-rate revenue” in two parts. Use the last 28 days of sales from customers charged on a consumption basis and multiply it by 13. Then, multiply the monthly subscription take by 12, and add the two together.

— [Karen Kwok for Reuters Breakingviews](https://www.reuters.com/commentary/breakingviews/anthropic-gives-lesson-ai-revenue-hallucination-2026-03-10/), citing "a person familiar with the matter"

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