Unverified50% confidenceFactExact time
Claude Code's fast cache is retained for only one hour, after which the entire conversation needs to be reprocessed
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/6/2026
First Seen
Valid until: 1/4/2027
Sources
Related Entities
Related Claims
UnverifiedIf a conversation has gone more than one hour since the last message, running /compact at that point often finds the cache already invalid, forcing the model to re-read the entire context.74% similarUnverifiedWhen the interval is omitted, Claude chooses the pause duration itself, ranging from one minute to one hour.74% similarUnverifiedAnthropic的Claude提示缓存要求严格的前缀匹配，缓存有效期为5分钟，频繁使用可延长至1小时73% similarUnverifiedClaude Code每次响应可能需要数十秒甚至更长，明显比Cursor慢，且存在较严格的使用限制（token消耗大、API成本高、速率限制紧）71% similarUnverifiedThe /usage command in Claude Code allows users to view usage for the current session (approximately a 5-hour cycle) and for the current week.70% similar
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