Open data

Datasets

The reporting on Data Today is built on open, versioned datasets. Browse the data-led stories below. Each one links to the figures and numbers behind it.

Bar chart of global GPU cluster performance share by country, with the United States dominating at about 75 percent

Data

Three-quarters of the world's AI compute sits in one country

The United States holds about 75 percent of global GPU cluster performance. That concentration shapes pricing, latency, and policy for everyone building elsewhere.

Lars Cornelissen · May 25, 2026

Line chart showing the performance gap between top open-weight and closed AI models shrinking from 8 to under 2 percentage points

Data

Open-weight models closed the gap to 1.7 points

Open-weight models went from a budget compromise to a default choice. On some benchmarks the gap to the best closed models shrank from 8 points to 1.7 in a year.

Lars Cornelissen · May 15, 2026