Claude Code's 'Cache-22': How to Work Around the Quota Drain Bug
If you’ve been hitting Claude Code’s usage limits in 20 minutes instead of hours, you’re not imagining it and you’re not alone. The developer community has named it Cache-22: a prompt cache regression in recent Claude Code versions that’s causing Max-tier quotas to exhaust dramatically faster than expected. Anthropic has acknowledged the bug. A fix is in progress. In the meantime, here’s how to work around it. What’s Happening Prompt caching is supposed to save tokens by reusing previously-processed context instead of re-processing it from scratch every request. When it works correctly, it dramatically extends how far your token quota goes — particularly in agentic workflows with large context windows. ...