How Claude Code uses prompt caching changedprompt-caching
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229229### Override the TTL
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231Set `FORCE_PROMPT_CACHING_5M=1` to force the five-minute TTL regardless of authentication. This is useful when you're debugging cache behavior, comparing the two TTLs, or overriding an `ENABLE_PROMPT_CACHING_1H` set in [managed settings](/docs/en/settings#settings-files).
231Set `FORCE_PROMPT_CACHING_5M=1` to force the five-minute TTL regardless of authentication. This is useful when you're debugging cache behavior, comparing the two TTLs, or overriding an `ENABLE_PROMPT_CACHING_1H` set in [managed settings](/docs/en/managed-settings).
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233233## Cache scope
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271271| `DISABLE_PROMPT_CACHING_OPUS` | Disable for Opus only |
272272| `DISABLE_PROMPT_CACHING_FABLE` | Disable for Fable only |
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274To set caching policy across an organization, put any of these or the [TTL variables](#cache-lifetime) in the `env` block of [managed settings](/docs/en/settings#settings-files). For normal use, leave caching enabled.
274To set caching policy across an organization, put any of these or the [TTL variables](#cache-lifetime) in the `env` block of [managed settings](/docs/en/managed-settings). For normal use, leave caching enabled.
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276276## Related resources
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