How I Track My AI Spending as a Solo Dev (Without...

I ship solo. No team, no finance department, no one reviewing expenses but me. When I started using LLMs heavily in my workflow — Claude for code review, GPT for drafts, a bit of Gemini here and there — I told myself I'd keep a close eye on costs. I had a vague sense of what I was spending. Turns out "a vague sense" doesn't cut it when you're getting invoiced. So I built a system. Or rather, I cobbled one together after getting burned. The Moment That Changed How I Think About This I was three w