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claude-code - 💡(How to fix) Fix [BUG] A user can do absolutely no coding and still use up all tokens in a session. Big fail. [2 comments, 2 participants]

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anthropics/claude-code#55046•Fetched 2026-05-01 05:47:39
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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?

  • 2.1.116 (Claude Code)
  • VSCode extension

Simply clicking on an old chat causes insane token usage.

Today a new 5 hour session started.

The first thing I did was simply click on a series of old chats to renamed them as "RETIRED" so I know I am no longer using them, and to more easily differentiate them from my current chat when looking at the list of chats.

Big mistake.

Before doing a bit of coding, I saw that my usage on the max plan was already over 40%.

That is a massive failure mode and incredibly unfair to users. There should be absolutely 0 token consumption when simply clicking on a chat. There should be absolutely 0 token consumption until the user actually makes a prompt.

What Should Happen?

Correct the behavior of Claude Code, at least in the VSCode extension, such that tokens are not consumed until a prompt is actually given. Allow users to click on a chat without consuming a massive amount of tokens. Prevent users from having a massive loss of expected productivity due to >40% of tokens being used before a prompt is even given.

Error Messages/Logs

Steps to Reproduce

  1. Open VScode
  2. Go to Claude Code extension
  3. Click on a bunch of old chats (10 or so) and rename them - be in the chat long enough for it to load the chat
  4. Notice you used >40% of your max plan session
  5. Refrain from weeping
  6. Write github issue
  7. Pray it is fixed

Claude Model

Opus

Is this a regression?

I don't know

Last Working Version

No response

Claude Code Version

2.1.116 (Claude Code)

Platform

Other

Operating System

macOS

Terminal/Shell

VS Code integrated terminal

Additional Information

I was using the VSCode extension -- not integrated Terminal.

extent analysis

TL;DR

The issue can be mitigated by modifying the Claude Code extension to only consume tokens when a prompt is given, rather than when a chat is clicked.

Guidance

  • Review the Claude Code extension's code to identify where token consumption is triggered and adjust it to only occur when a prompt is submitted.
  • Verify that the extension is not sending unnecessary requests or loading unnecessary data when a chat is clicked, which could be contributing to the high token usage.
  • Consider adding a feature to allow users to preview chats without loading the full chat history, which could help reduce token consumption.
  • Test the modified extension with the Opus model to ensure the fix works as expected.

Example

No code snippet is provided as the issue does not include specific code details.

Notes

The root cause of the issue is likely related to how the Claude Code extension handles chat loading and token consumption. Without access to the extension's code, it's difficult to provide a more specific solution.

Recommendation

Apply workaround: Modify the Claude Code extension to only consume tokens when a prompt is given, as this is the most direct way to address the issue.

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claude-code - 💡(How to fix) Fix [BUG] A user can do absolutely no coding and still use up all tokens in a session. Big fail. [2 comments, 2 participants]