# Claude Sonnet 5.5 prompt cache reads cut in half

By Steven Van · 2026-10-07

Cache reads now cost 0.05x the base input price, while cache writes and all other prices remain unchanged.

Prompt cache reads for Claude Sonnet 5.5 now cost half as much. [Anthropic](<https://creatorstoolbox.com/tools/anthropic>) lowered the price from $0.20 USD to $0.10 USD per million tokens in its [October 7 release notes](<https://platform.claude.com/docs/en/release-notes/overview#october-7-2026>).

The new rate is 0.05x the base input price, down from 0.1x. Cache writes and all other prices are unchanged.

![Anthropic](<https://www.google.com/s2/favicons?domain=anthropic.com&sz=128>)

Anthropic

Anthropic is an AI safety and research company that's working to build reliable, interpretable, and steerable AI systems.

[View Anthropic →](<https://creatorstoolbox.com/tools/anthropic>)

[Original source](<https://platform.claude.com/docs/en/release-notes/overview#october-7-2026>)

[Read Claude Sonnet 5.5 prompt cache reads cut in half on Creators Toolbox](<https://creatorstoolbox.com/blog/anthropic-claude-sonnet-5-5-prompt-cache-reads-cut-in-half>)

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