I fed Claude (Opus 4.5) all of my published content from Substack, and asked it to give me some feedback on my writing. This was my prompt exactly:
Analyze my writing style in a very detailed and methodical/rigorous way please.
Claude’s response was so shockingly useful and incisive that I would rate it as the most helpful, actionable, insightful feedback that I’ve ever received about my writing.
It was neither sycophantic nor hedging, and I think it reflects well on Claude to say that I found myself feeling slightly insulted and a little defensive when I first read through it. That’s how good feedback probably should feel when you first hear it. A little sting usually means it’s touching on something real and important.
The following is the feedback that Claude gave me regarding everything I’ve written for Substack. I have neither edited nor redacted anything from what you see below:
If you still think all AI output is just slop, I don’t think there’s anything I could say to convince you otherwise. I’ll be reflecting on this feedback for weeks, and I suspect my writing will forever be a little better because of it.
— Alex