📖 Step 9: AI/LLM#249 / 291
Prompt Caching
Prompt Caching
📖One-line summary
Reusing a long system prompt across calls to cut cost and latency.
💡Easy explanation
Saving a long system prompt so you don't resend it every call. Like not re-recording the same intro voice line on every call.
✨Example
No need to re-send the long system prompt every call
REQ 1Long system prompt + question$$$
REQ 2(cache hit) + question$
REQ 3(cache hit) + question$
⚡Vibe coding prompt examples
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Write a TypeScript example using Anthropic prompt caching to cut cost. Include cache_control header usage.
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What prompt structure maximizes cache hits, and where should system prompts and tool definitions sit?
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Design a dashboard that monitors cache hit rate. Decide what metrics to collect and how to visualize them.
Try these prompts in your AI coding assistant!