Unverified50% confidenceFactExact time
Anthropic's Prompt Caching marks cache breakpoints via the cache_control field, allowing {"type": "ephemeral"} to be set on system prompts, tool definitions, or message blocks.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/17/2026
First Seen
Valid until: 1/15/2027
Sources
Related Entities
Related Claims
UnverifiedAnthropic's Prompt Caching is implemented through explicit cache_control markers, while OpenAI offers automatic prefix caching.76% similarUnverifiedAnthropic需要在消息中添加cache_control字段来标记缓存断点，告诉API哪些内容应被缓存76% similarUnverifiedTo maximize prompt caching, system prompts and tool definitions should be kept as static as possible with a fixed order, and tools should not be added or removed within a turn so as not to break the cache70% similarUnverifiedAnthropic launched a Prompt Caching feature that allows developers to explicitly cache specific prefixes to reduce costs and latency.70% similarUnverifiedA prompt cache hit requires the request prefix to be byte-for-byte identical to what was written at cache time; mixing dynamic content such as timestamps or session IDs into system prompts will cause frequent cache invalidation.69% similar
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