Suspected Claude Code Cache Bug Drives Surging Usage Costs

Multiple developers report Fable 5.1 credits draining abnormally fast—one exhausted 28 Max 20x accounts on a single audit—suspecting a cache bug in the new Claude Code. Meanwhile, the cache price cut applies only to API users, and tests show frequent /compact remains costly for subscribers.

2026-09-02 ~ 2026-09-02 · 4 related posts

• Fable 5.1 update: cache cost drop reduces need for /compact — dotey · 2026-09-02
• Claude Cache Discount Not for Subscribers; /compact Command Costly — dotey · 2026-09-02
• User suspects caching bug in Claude Code caused abnormal usage spike — doodlestein · 2026-09-02

1 near-duplicate retellings: peterjliu