---
title: "Discussion on \"Claude mid-conversation tool changes end a 12.5x cache-rewrite penalty in 2026\" | Hashnode"
description: "Discussion on \"Claude mid-conversation tool changes end a 12.5x cache-rewrite penalty in 2026\". Claude mid-conversation tool changes end a 12.5x cache-rewrite penalty in 2026\nSummary. On the Claude API a cache read costs 0.1x the base input price and a 5-minute cache write costs 1.25x, so re-pro"
url: "https://hashnode.com/posts/claude-mid-conversation-tool-changes-end-a-125x-cache-rewrite-penalty-in-2026/6a744b0c1975c63e787bf3d4"
---

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# [Claude mid-conversation tool changes end a 12.5x cache-rewrite penalty in 2026](https://ecorpit.hashnode.dev/claude-mid-conversation-tool-changes-end-a-125x-cache-rewrite-penalty-in-2026?utm_source=hashnode&utm_medium=feed)

Claude mid-conversation tool changes end a 12.5x cache-rewrite penalty in 2026 Summary. On the Claude API a cache read costs 0.1x the base input price and a 5-minute cache write costs 1.25x, so re-pro

Aug 6 · 23 min read · ecorpit.hashnode.dev  
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-   [#claude](https://hashnode.com/tag/claude)
-   [#prompt-caching](https://hashnode.com/tag/prompt-caching)
-   [#ai-agents](https://hashnode.com/tag/ai-agents)
-   [#llm-cost](https://hashnode.com/tag/llm-cost)

## Written by

[Manu Shukla](https://hashnode.com/@mr-manushukla)

@mr-manushukla · Delhi, India

  
[View profile](https://hashnode.com/@mr-manushukla)

Founder and Director of eCorpIT

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