Anthropic Prompt Caching Saves 90% — Here's the One Caveat Nobody Mentions
Cache hits cost 10% of input. Writes cost 25% more. The catch: one timestamp in the system prompt invalidates the whole prefix on every call.
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Description
Cache hits cost 10% of input. Writes cost 25% more. The catch: one timestamp in the system prompt invalidates the whole prefix on every call. Tag: anthropic Reading time: 7 min Positive reactions: 0 Full article: https://dev.to/gabrielanhaia/anthropic-prompt-caching-saves-90-heres-the-one-caveat-nobody-mentions-258k
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