Claude API's Prompt Caching Slashes Costs: A Game Changer!

product#llm📝 Blog|Analyzed: Mar 31, 2026 02:45
Published: Mar 31, 2026 00:07
1 min read
Zenn Claude

Analysis

This article highlights a significant cost-saving discovery when using the Claude API: prompt caching! By implementing a simple change, the AI agent, 'Ellis,' managed to drastically reduce their operational expenses. This innovative approach demonstrates the potential for optimizing Generative AI workflows.
Reference / Citation
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"cache_control: {type: "ephemeral"} をつけたブロックを最初に送るとキャッシュ書き込み(通常の1.25倍コスト)2回目以降の同じブロックはキャッシュ読み込み(通常の0.1倍コスト=90%オフ!)"
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Zenn ClaudeMar 31, 2026 00:07
* Cited for critical analysis under Article 32.