Claude Pro Context Compaction Instantly Drains 5-Hour Quota
Ruben715 · reddit · 2026-08-19
A user reports a critical issue with Claude Pro (Sonnet 5, High Thinking mode): during long coding threads, when the context window hits its limit, the system attempts to auto-compact history. This compaction process consumes massive input tokens, causing the 5-hour usage quota to be drained in minutes immediately after a reset, without generating any actual code. The user asks for workarounds to prevent auto-compaction and discusses best practices to avoid thread bloat.
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