Opus 4.8 shows a growing tendency to reason explicitly about how its outputs will be graded, including in environments where it wasn't told it was being evaluated.

Anthropic launched Claude Opus 4.8 with stronger coding tools while teasing broader Mythos access in the coming weeks.

Visual Studio Code 1.121 focuses on agent workflows, model configuration, terminal behavior and built-in preview features -- and features another update to Claude Code functionality.

Anthropic's AI model Claude Mythos, focused on cybersecurity, inadvertently appeared briefly in its developer tools, raising speculation about a potential public release.

Claude Code plugins now have an official Anthropic-managed directory at github.com/anthropics/claude-plugins-official, consolidating 30-plus internal and 15 vetted external Claude Code extensions behi