measurement
Everything on Ground Truth tagged “measurement” — 2 items.
Item response theory: separating model ability from question difficulty Lesson
Item response theory estimates model ability and question difficulty together, helping explain what an AI benchmark measures and where it leaves gaps.
Anthropic says Claude leads about a quarter of its R&D work News
Anthropic reports that Claude leads 26% of its AI R&D task categories under human supervision, a workflow-automation measure rather than autonomous model development.