> ## Documentation Index > Fetch the complete documentation index at: > Use this file to discover all available pages before exploring further. # How Claude Code uses prompt caching > Claude Code manages prompt caching automatically. See why a model switch triggers a slow uncached turn, what `/compact` costs, why CLAUDE.md edits don't apply mid-session, and how to check your cache hit rate. Prompt caching makes Claude Code faster and more cost-efficient. Without caching, the API would rep...

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How I Make Claude Code's 5-Hour Usage Window Last Longer on Claude Pro

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