March was a genuinely busy month in this space, and I’ve been sitting with a few of these developments over the past week trying to work out what’s noise and what actually changes how I work. Let me get into the things that stuck.

Sonnet 4.6 Is the Real Story, Not Opus

I’ll be honest — I’d been running Opus 4.6 as my default in Claude Code because it felt like the “serious” choice. That calculus is now just wrong.