Observed source change · Anthropic
Claude prompt cache policy and minimums documentation changed
Published documentation; runtime behavior and legal interpretation not established.
Last unchanged check: 2026-10-23T02:05:09Z
First changed check: 2026-10-23T03:36:30Z
Before
| :----------------------------------------------------------------------------------------------------------------------------------- | :---------------- | :-------------- | :-------------- | :----------------------- | :------------ | | Claude Opus 4.1 ([retired, except on Bedrock and Google Cloud](https://platform.claude.com/docs/en/about-claude/model-deprecations)) | $15 / MTok | $18.75 / MTok | $30 / MTok | $1.50 / MTok | $75 / MTok | | Claude Opus 4 ([retired, except on Google Cloud](https://platform.claude.com/docs/en/about-claude/model-deprecations)) | $15 / MTok | $18.75 / MTok | $30 / MTok | $1.50 / MTok | $75 / MTok | | Claude Sonnet 4 ([retired, except on Bedrock and Google Cloud](https://platform.claude.com/docs/en/about-claude/model-deprecations)) | $3 / MTok …
After
| :--------------------------------------------------------------------------------------------------------------------------------------------------------------------- | :---------------- | :-------------- | :-------------- | :----------------------- | :------------ | | Claude Opus 4.1 ([retired, except on Bedrock and Claude Models on Google Cloud (Google managed)](https://platform.claude.com/docs/en/about-claude/model-deprecations)) | $15 / MTok | $18.75 / MTok | $30 / MTok | $1.50 / MTok | $75 / MTok | | Claude Opus 4 ([retired, except on Claude Models on Google Cloud (Google managed)](https://platform.claude.com/docs/en/about-claude/model-deprecations)) | $15 / MTok | $18.75 / MTok | $30 / MTok | $1.50 / MTok | $75 / MTok | | Claude Sonnet 4 ([retired, …
Capture provenance and limitations
Raw before SHA-256: b3ab07efdbef9f4cce1cdfdd27a51e88384c3315eae56ef528e3577854263e3e
Raw after SHA-256: d575f8360eac718b4e12eeb370f249ac8c60818bc36a1eecbcb61518bc78433c
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