claude-code - 💡(How to fix) Fix API Error: Stream idle timeout - partial response received [2 comments, 2 participants]

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anthropics/claude-code#49500Fetched 2026-04-17 08:39:22
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Error Message

Regardless of prompt size, reorganization, or chunking/breaking down into smaller tasks. This error kicks, no matter the size of the input/output. It happens more frequently with larger requests, but can happen almost as frequently on basic tasks. Most recent a literal cheap start to a JSON dictionary.

Error Messages/Logs

RAW_BUFFERClick to expand / collapse

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?

Regardless of prompt size, reorganization, or chunking/breaking down into smaller tasks. This error kicks, no matter the size of the input/output. It happens more frequently with larger requests, but can happen almost as frequently on basic tasks. Most recent a literal cheap start to a JSON dictionary.

What Should Happen?

Previous behavior before this issue started 4 days ago.

Error Messages/Logs

Steps to Reproduce

Try a larger workload first, then break into chunks or steps. It happens regardless if sizing.

Claude Model

Opus

Is this a regression?

Yes, this worked in a previous version

Last Working Version

No response

Claude Code Version

2.1.111

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Cursor

Additional Information

This happens regardless of platforms. Windows, MAC, Claude Code Mobile App, Claude Code Desktop, browser.

extent analysis

TL;DR

The issue is likely related to a regression in the Claude Code version 2.1.111, causing errors regardless of input size, and a potential workaround could involve reverting to a previous version or adjusting the workload.

Guidance

  • Try to identify the last working version of Claude Code to determine when the regression occurred.
  • Test the same workload on different platforms to confirm if the issue is consistent across all environments.
  • Consider breaking down the workload into smaller tasks to see if the error frequency changes, although the issue report suggests it happens regardless of sizing.
  • If possible, try to replicate the issue with a minimal example to help isolate the cause.

Example

No specific code example can be provided without more details on the workload or the error messages.

Notes

The lack of error messages or logs makes it challenging to provide a more specific solution. Additionally, without knowing the last working version, it's difficult to pinpoint the exact cause of the regression.

Recommendation

Apply workaround: Since the issue is confirmed as a regression and the last working version is unknown, applying a workaround such as adjusting the workload or using a different approach might be necessary until a fixed version is available.

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claude-code - 💡(How to fix) Fix API Error: Stream idle timeout - partial response received [2 comments, 2 participants]