Tips:
1) Plan with Opus and execute with Sonnet. Shift + Tab to toggle.
2) Use claude.md to clarify project terminology and venv setups.
3) Use `ccusage` to track usage. Claude Max subscription offers 5x ($100/month) and 20x usage ($200/month).
C++ dev and ex-FAANG staff engineer with 30+yrs of experience was stuck on a bug for ~200hrs over 4 years.
Claude Opus 4 solved it, and was the only model that could.






























