Tooling
Anthropic's Prompt Cache Costs 12.5× More on Miss—Five Mid-Session Triggers
Prompt cache misses in Claude Code cost 12.5 times more than hits. Five common actions—installing MCPs, switching models, editing CLAUDE.md, toggling fast mode, and adjusting system instructions—silently invalidate the
1 min read
Sourcer/claudeai
Anthropic's prompt caching pricing creates a sharp cost cliff that most Claude Code users hit without noticing. Cache read tokens cost 0.1× the base input rate, but cache writes cost 1.25×—meaning a cache miss on the same prefix is 12.5 times more expensive than a hit.
On a 50,000-token session pre...
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Method & sources
- Source type
- Primary publication (lab/vendor blog) — our analysis + implication
- Source link
- r/claudeai
- Published
- UTC
- Byline
- By the gotcontext.ai team (editorial standards)
- Correction?
- corrections@gotcontext.ai