# Grok 4.6 Extra High Fast keeps disconnecting

**URL:** <https://forum.cursor.com/t/grok-4-6-extra-high-fast-keeps-disconnecting/171542>\
**Category:** Bug Reports\
**Tags:** grok, networking\
**Created:** [September 13, 2026, 10:14pm UTC](https://forum.cursor.com/t/grok-4-6-extra-high-fast-keeps-disconnecting/171542 "2026-09-13T22:14:32Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![felipedipoi](https://avatars.discourse-cdn.com/v4/letter/f/e8c25b/32.png) [@felipedipoi](https://forum.cursor.com/u/felipedipoi)\
**Post date:** [September 13, 2026, 10:14pm UTC](https://forum.cursor.com/t/grok-4-6-extra-high-fast-keeps-disconnecting/171542/1 "2026-09-13T22:14:32Z")

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### Where does the bug appear (feature/product)?

Cursor IDE

### Describe the Bug

Grok 4.6 Extra High Fast model appears to be disconnecting at various times these past few days. Made sure vpn is turned off, reconnected ethernet and restarted the wifi as well.

### Steps to Reproduce

Simply work in agent mode and model will briefly call tools and work before stopping.

### Expected Behavior

Agent work normally and doesn’t disconnect.

### Operating System

Windows 10/11

### Version Information

Version: 3.20.17 (user setup)  
VS Code Extension API: 1.128.0  
Commit: 0c32194e3fb5ffaced9fb36430b860ec301e1fc0  
Date: 2026-09-12T03:16:10.634Z  
Layout: IDE  
Build Type: Stable  
Release Track: Default  
Electron: 42.10.0  
Chromium: 148.0.7778.280  
Node.js: 24.18.1  
V8: 14.8.178.38-electron.0  
xterm.js: 6.1.0-beta.291  
OS: Windows\_NT x64 10.0.26200

### For AI issues: which model did you use?

Grok 4.6 Extra High Fast

### For AI issues: add Request ID with privacy disabled

Request ID: 800cd92b-ba66-4602-bfd5-8546777f5f37

### Does this stop you from using Cursor

Sometimes - I can sometimes use Cursor

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**Author:** ![mohitjain](https://sea3.discourse-cdn.com/cursor1/user_avatar/forum.cursor.com/mohitjain/32/100229_2.png) [@mohitjain](https://forum.cursor.com/u/mohitjain)\
**Post date:** [September 14, 2026, 6:31am UTC](https://forum.cursor.com/t/grok-4-6-extra-high-fast-keeps-disconnecting/171542/7 "2026-09-14T06:31:43Z")

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Hey @felipedipoi, thanks for the report - your connection’s fine, so you can stop resetting the router/VPN/ethernet.

What’s happening: Grok 4.6 Fast is failing on that specific conversation once it gets large, and since the failure sticks to the conversation, retrying in the same chat keeps hitting it - which looks like a disconnect. It’s not anything you misconfigured, and it’s an issue we’re tracking.

To get moving now: start a new chat, or switch that task to Grok 4.6 with Fast off (or Composer 2.5 / GPT-5.6).

If you can, one quick check that’d help us: in the stuck chat, switch to Grok 4.6 (Fast off), send “continue,” and tell me if it goes through - if not, drop the new Request ID (three-dot menu → Copy Request ID).

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<div class="post-metadata">

**Author:** ![felipedipoi](https://avatars.discourse-cdn.com/v4/letter/f/e8c25b/32.png) [@felipedipoi](https://forum.cursor.com/u/felipedipoi)\
**Post date:** [September 14, 2026, 1:03pm UTC](https://forum.cursor.com/t/grok-4-6-extra-high-fast-keeps-disconnecting/171542/8 "2026-09-14T13:03:05Z")

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Thanks for the quick reply. Yes that fixed the issue. Although it is confusing for the context usage part as it looked from my end that it just about used 25% of the context. But thank you for the tip.

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**Author:** ![system](https://sea3.discourse-cdn.com/cursor1/user_avatar/forum.cursor.com/system/32/99069_2.png) [@system](https://forum.cursor.com/u/system)\
**Post date:** [September 16, 2026, 1:03pm UTC](https://forum.cursor.com/t/grok-4-6-extra-high-fast-keeps-disconnecting/171542/9 "2026-09-16T13:03:07Z")

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