claude-code - 💡(How to fix) Fix [BUG] Sonnet 4.6 reply box freezes during chats [1 participants]

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anthropics/claude-code#57855Fetched 2026-05-11 03:23:36
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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?

[BUG] Sonnet 4.6 reply box freezes after a detailed research assignment on desktop chat app. This was reported last month. This does not happen with Opus 4.7.

What Should Happen?

Reply box should not freeze

Error Messages/Logs

Steps to Reproduce

  1. Assign Sonnet 4.6 a deep research assignment on a stock using the desktop chat app.
  2. Discuss its findings with at least three replies. Have it compare the stock to a similar stock

Claude Model

Sonnet (default)

Is this a regression?

I don't know

Last Working Version

No response

Claude Code Version

Version 1.6608.2

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Other

Additional Information

No response

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