Random switches to GPT model

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@deepak1556 is already working on this.

Since Jun 15, 2026.

Assessment

This issue has not been assessed yet.

Description

stale triage-needed

There is https://github.com/microsoft/vscode/issues/279972 but has been closed for no reason.

  • Copilot Chat Extension Version: Don't know where to find this since the Chat extension has been integrated

Version: 1.124.2 (system setup)
Commit: 6928394f91b684055b873eecb8bc281365131f1c
Datum: 2026-06-12T00:12:36Z
Electron: 42.2.0
ElectronBuildId: 14159160
Chromium: 148.0.7778.97
Node.js: 24.15.0
V8: 14.8.178.14-electron.0
Windows_NT x64 10.0.19045

  • Feature (e.g. agent/edit/ask mode): Agent
  • Selected model (e.g. GPT 4.1, Claude 3.7 Sonnet): OpenRouter, several models

Steps to Reproduce:

  1. Copilot Agent Budget is empty/100%
  2. Use a model via OpenRouter
  3. VSCode/Chat randomly resets to GPT 5.5 Copilot

This is "reproduceable" and happens on different systems

Dominant language
TypeScript
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