Reading Claude Sonnet 5.5 from Primary Sources: Half the Price of Opus 5.5 with a 2-Point Gap, but 'Thinking Off' Code Stops at 400

Engineers and PMs who are using Claude Sonnet 5 via API or Claude Code and want to decide whether to switch to Sonnet 5.5 and ...

[Tool Introduction] The "mod" feature that makes Claude Code "your own," and why it matters to non-engineers

A feature called "mod" has been added to Claude Code, allowing you to customize the AI's behavior itself to your liking.