Unverified50% confidenceFactExact time
When running on Amazon Bedrock, prompt cache invalidation produces no error or exceptional status code and the request still returns 200, but it causes input tokens to be recomputed at full price plus an extra 25% cache write premium.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/12/2026
First Seen
Valid until: 1/10/2027
Sources
Related Entities
Related Claims
UnverifiedBack-calculating a fixed request count from dollar quotas introduces errors because different platforms may use different accounting methods for input caching and input token pricing.66% similarUnverifiedPrompt Caching在提示词前缀完全相同且超过约1024 token阈值时命中，缓存token通常按原价的25%甚至更低计费63% similarUnverifiedPrompt Cache refers to a provider caching already-processed identical prefix tokens, where the price of cache-hit tokens is typically only 10%–50% of the normal price.62% similar
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