Super Slow Loading on Open

Resolved 💬 3 comments Opened Dec 2, 2025 by gefeced Closed Dec 3, 2025

💡 Likely answer: A maintainer (github-actions[bot], contributor) responded on this thread — see the highlighted reply below.

What version of Codex is running?

0.4.46

What subscription do you have?

GPT Plus

Which model were you using?

GPT-5.1

What platform is your computer?

macOS Sequoia 15.0.1 VS Code latest version OpenAI Codex extension latest version Full clean uninstall of VS Code performed (including deleting ~/.vscode, Application Support/Code, caches, and preferences)

What issue are you seeing?

Codex in VS Code takes 15 minutes or more to load every time.
After it finishes loading, it becomes usable, but the initialization time is extremely long.
This has been happening for almost 2 days.

What steps can reproduce the bug?

It happened after I sent a few messages with images that weren't fit for the AI, like HEIC.

What is the expected behavior?

Just super slow loading

Additional information

What I already tried:

Completely uninstalling VS Code

Deleting all VS Code caches

Deleting workspaceStorage

Deleting globalStorage

Deleting Application Support/Code

Removing every extension

Reinstalling Codex

Disabling GitHub Copilot Chat

Checking OpenAI API connectivity

Checking the MCP registry link

Restarting Mac multiple times

View original on GitHub ↗

3 Comments

github-actions[bot] contributor · 8 months ago

Potential duplicates detected. Please review them and close your issue if it is a duplicate.

#7456

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ccy-oai contributor · 8 months ago

Thank you for reporting.
We identified an issue that caused the VS Code Extension to take more than a few seconds to initialize.
We will have a fix for this in the next extension release.

ndvbd · 1 month ago

Same issue here