claude-code - 💡(How to fix) Fix [BUG] Claude usage on 5x max plan launches up to 13-16% on first message / Suspicion of usage limits being lower as your plan gets older. [1 comments, 2 participants]

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anthropics/claude-code#55941Fetched 2026-05-05 06:02:21
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Error Message

Error Messages/Logs

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Preflight Checklist

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

What's Wrong?

When I open a new claude session and ask it to read a small c++ project on medium usage my usage limit will launch up to 13-16% instantly

Also when i first bought my 5x max plan i could user the entire usage limit for 5 hours without even reaching 60%. As time went on i noticed that the usage limits kept getting worse and worse and worse to the point where even sending a message or asking it to read a project will sky rocket ur usage, sometimes even when its just working and the usage is like 4% it will randomly SKYROCKET to 14% of my usage limit.

What Should Happen?

It should not launch up to 13-16% on the first message on a 5x 100$ a month plan.

Error Messages/Logs

Steps to Reproduce

  1. i guess just buy a claude max plan and everyday test the usage limits and see if they get worse
  2. idk i guess just make a small c++ project and ask it to read it

Claude Model

Opus

Is this a regression?

No, this never worked

Last Working Version

No response

Claude Code Version

2.1.126

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

No response

extent analysis

TL;DR

The issue may be related to inefficient resource usage by the Claude model, causing sudden spikes in usage limits.

Guidance

  • Investigate the Claude model's resource allocation and usage patterns to identify potential inefficiencies.
  • Test the usage limits with different models or projects to determine if the issue is specific to the Opus model or the small C++ project.
  • Monitor the usage limits over time to see if the issue persists or worsens, and gather more data on the usage patterns.
  • Consider reaching out to the Anthropic API support team for guidance on optimizing resource usage or troubleshooting the issue.

Notes

The issue lacks specific technical details, such as error messages or logs, making it difficult to provide a more targeted solution. Further investigation and data collection are necessary to determine the root cause of the issue.

Recommendation

Apply workaround: Monitor and optimize resource usage to mitigate the issue, as the root cause is unclear and may require further investigation or support from the Anthropic API team.

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claude-code - 💡(How to fix) Fix [BUG] Claude usage on 5x max plan launches up to 13-16% on first message / Suspicion of usage limits being lower as your plan gets older. [1 comments, 2 participants]