civilytics.com
A case study in agentic data science: building the Census of Governments API
Six weeks, roughly 100 human hours, 167 hours of agent time and 6.88 billion tokens went into turning 56 years of Census of Governments finance data into a queryable API. Here is what that actually cost, measured from the session record rather than estimated — including the weeks the ratio of agent output to my own time held steady as the work got harder, the week I switched language models mid-build, and the number this post cannot give you.