Append-only. Named. Every error we've made, with what was wrong and what's right. We will never silently edit a published dispatch.
CoreWeave deal value: We reported the Abilene campus deal at $2.4 billion. The correct figure, per the SEC filing, is $240 million. Corrected in the Apr 28 edition within 90 minutes of publication.
Researcher name: A dispatch about an Anthropic interpretability paper attributed a quote to the wrong researcher — two members of the team share the same first name. Corrected in the Apr 3 edition.
FrontierMath score: We reported o4-mini-high scored 74.3 on FrontierMath. The correct score is 47.3. The error originated in a misread of the paper's extended data table. Corrected in the Mar 19 edition.