Home › Claude AI › claudearchitect › claudeai_caching › Anthropic's prompt cache TTL is approximately:
Anthropic's prompt cache TTL is approximately:
A30 seconds
B5 minutes
C1 hour
DIndefinite
Answer & Solution
Correct answer: B. 5 minutes
The cache prefix lives roughly 5 minutes after the last hit. Anything beyond falls out and must be recomputed.
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