#opus
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.
·6 min read
Claude Opus 4.7 — first impressions after a week with 1M context
Opus 4.7 ships with a million token context, plan mode and a fast toggle. I switched from Sonnet 4.6 as my default — here's what changed, where it pays off, and where I stick with the cheaper model.