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claude-code - 💡(How to fix) Fix [BUG] 16% of 5-hour usage limit consumed by simple investigation prompt. [1 comments, 2 participants]

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anthropics/claude-code#47108•Fetched 2026-04-13 05:41:15
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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?

16% of my 5-hour usage limit was used by a simple investigation prompt to examine my claude.md file using opus 4.6 200k context window. No subagents, mcp servers, long context window or anything else can explain the insane consumption. At this rate, I'll be out of tokens the second I actually do something more complex.

What Should Happen?

Prompt should have used <<1% of my usage limit given its simple nature. Just two days ago, I was using Opus 4.6 1M context with planning complex architecture and writing code non-stop for hours and I wasn't hitting my usage limit. Today, I'm just a few prompts deep and my usage is being eaten away for simple prompts with very little context. I don't know what's going on.

Error Messages/Logs

Steps to Reproduce

Use claude opus 4.6 in any sort of rigorous context. It's blowing up usage limits at the moment.

Claude Model

Opus

Is this a regression?

Yes, this worked in a previous version

Last Working Version

2.1.97

Claude Code Version

2.1.104 (Claude Code)

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

No response

extent analysis

TL;DR

Downgrade to version 2.1.97, as it is reported to be the last working version where the issue did not occur.

Guidance

  • Verify the usage limit consumption with simpler prompts in the current version to isolate if the issue is specific to certain types of investigations or prompts.
  • Compare the usage patterns and limits between version 2.1.97 and the current version 2.1.104 to understand what might have changed.
  • Test the Opus model with different context window sizes in version 2.1.104 to see if the issue is related to the model's configuration.
  • Consider reaching out to the developers or support team for further assistance, as the issue seems to be a regression and might require a patch or update.

Notes

The lack of error messages or logs makes it difficult to pinpoint the exact cause of the issue. The fact that it worked in a previous version suggests a regression, but without more information, it's hard to provide a definitive fix.

Recommendation

Apply workaround: Downgrade to version 2.1.97 until the issue is resolved in a future update, as it is known to work correctly with the Opus model and does not exhibit the excessive usage limit consumption.

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#api#generation error#database connection#vector store#embedding generation

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