In-context Learning and Induction Heads

Emotion concepts and their function in a large language model

All modern language models sometimes act like they have emotions. What’s behind these behaviors? Our interpretability team investigates.

How Australia Uses Claude: Findings from the Anthropic Economic Index

Anthropic Economic Index report: Learning curves

Anthropic's fifth Economic Index report studies Claude usage in February 2026, building on the economic primitives framework introduced in our previous report.