Updates to Consumer Terms and Privacy Policy

Claude for Chrome

Claude Opus 4 and 4.1 can now end a rare subset of conversations

Claude Sonnet 4 now supports 1M tokens of context

Claude Code Output Styles

Claude Opus 4.1

Persona vectors: Monitoring and controlling character traits in language models

Automate security reviews with Claude Code

Subliminal learning: Models transmit behaviors via hidden signals in data

Claude Code introduces specialized sub-agents