A user has identified a potential issue within Claude Code where a sub-agent's entire context is re-billed upon receiving a follow-up message, even if it's within the cache window. This behavior causes a significant drain on usage quotas, as nearly all of the agent's retained context is written to the cache again at the expensive write rate, rather than being read from the cache. The user has filed this issue with Anthropic and is seeking community input on similar experiences. AI
IMPACT Potential for increased costs and reduced efficiency for users of Claude Code's sub-agent functionality.
RANK_REASON User-reported issue with a specific product feature.
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