The documentation is here and has better examples: https://docs.anthropic.com/en/docs/build-with-claude/prompt-caching https://docs.anthropic.com/en/docs/build-

The documentation is here and has better examples: https://docs.anthropic.com/en/docs/build-with-claude/prompt-caching https://docs.anthropic.com/en/docs/build-with-claude/prompt-... tl;dr can cache system prompts, tools, and user messages (up to 4 total) with better returns on massive inputs such as documents. The use case is more for client-facing applications that would hit the cache frequently rather than internal copilots.