Claude Opus 4 has already grabbed quite a bit of attention in the short time it has been public, and in some ways I feel I’m a little slow to the party. I was reading a very detailed breakdown that Federico Viticci did using Claude 4 on the web to sort through his emails. I know he likes detail, but I was slightly worried about the 200-line prompt file he was maintaining. (I later understood that Claude writes a lot of notes into its own file.)
I was looking to use Claude Opus 4 with Claude Code (which I tried out last month) and had a…