A study published in Science finds that AI now generates nearly 30% of new Python code on GitHub in the United States, up from just 5% in 2022. The gains are real - but they flow almost entirely to experienced developers, not junior ones.
Anthropic's Claude Opus 4.6 system card documents sweeping capability gains alongside safety findings that are harder to dismiss than those of any previous generation. On cyber evaluations the model has hit a ceiling, on autonomous R&D it is approaching one, and the tools used to monitor it are struggling to keep pace.