#advanced
2 articles with this tag.
·4 min read
Prompt caching — how I calculate Opus 4.7 costs (and why the bill isn't scary)
Opus 4.7 looks expensive. Five minutes of prompt caching cuts cost by 90%. Showing how it works, how to measure, and which cadence patterns actually move the bill.
·4 min read
Memory in Claude Code — what it actually remembers and how to steer it
Memory is a Claude Code mechanism that persists facts about you, the project and preferences across sessions. Showing how it works under the hood, when to use it, and when CLAUDE.md is better.