Token inflation bug (v2.1.100+) — still present in v2.1.137? Two Max 20x accounts exhausted

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

Running Claude Code v2.1.137 on macOS. Exhausted two separate Max 20x
accounts ($400 total) within normal working sessions. Burn rate suggests
the ~20K token inflation bug reported in #46917 may still be present in
v2.1.137, despite the reported fix in v2.1.116.

What Should Happen?

Token consumption should match actual usage. Per #46917, v2.1.98 consumed
~50K cache_creation_input_tokens per session. v2.1.100+ inflated this to
~70K. Two Max 20x accounts should not be exhausted in normal daily
Claude Code sessions.

Error Messages/Logs

Steps to Reproduce

1. Install Claude Code v2.1.137 (native binary via ~/.claude/local/)
2. Run normal Claude Code sessions on a medium-sized codebase
3. Monitor usage limits — limits exhaust significantly faster than

expected for Max 20x plan

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

2.1.98

Claude Code Version

2.1.137

Platform

Other

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

Requesting confirmation whether token inflation is resolved in v2.1.137,
and usage credit review given two Max 20x accounts were exhausted —
likely accelerated by this bug. Reference: #46917. Anthropic previously
reset all subscriber limits on April 23 for earlier related incidents.