Unverified50% confidenceFactExact time
The redesigned cache will not be invalidated when the reasoning level is raised mid-conversation or when new tools are used.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
9/30/2026
First Seen
Valid until: 12/29/2026
Sources
Related Entities
Related Claims
UnverifiedOperations such as switching models, switching inference intensity, toggling fast inference mode, compressing conversations, and resuming after cache expiration all cause prompt cache invalidation.78% similarUnverifiedPeriodically re-injecting core policies into the context during long conversations can prevent them from being diluted by a large volume of subsequent content.75% similarUnverifiedProofreading generated content in a new session can avoid the attention decay problem caused by an excessively long context window.74% similarUnverifiedAfter removing phrases such as 'think carefully' from chat-style prompts, Opus 5.5 begins responding more quickly with no noticeable degradation in quality.72% similarUnverified当上下文过长或充斥无关信息时，应精确管理和裁剪上下文以避免响应质量下降和推理成本上升72% similar
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