Hi all, Feel free to share any thoughts about the gpt-5-codex model on Cursor here. If you face any specific bugs, please create a Bug Reports

edit: its so good just having problems with tools

After spending 4.51$ on Codex, I’ve had enough. [image] I am really sad. Had high hopes. Now I am switching to other model until Cursor tunes it’s interface with Codex. It just struggles to edit files. Also I told Codex to create a new project besides my existing one and don’t touch the existing …

Best model ATM. Just need some fixes on calling the edit file tool and sometimes it leaves the file with some issues.

Last time I tried it it was unusable. Fell back to codex cli for gpt-5-codex, gpt-5-high-fast in Cursor. It seems to struggle with understanding the IDE tools. It has hallucinated edits after writing them in the chat. You may have to remove most tools from codex and just let it use Bash. It’s likel…

Still does the same thing gpt5 does to me, after it fills the context it just plain stops working. I really like the gpt5 models but this makes it almost unusable. I have to start a new chat for every request and if that request is large it fills context and stops working before it finishes ugh

[image] Manually activating context summarization Feature Requests Already implemented as /Summarize {your_prompt} /Summarize

For issues with gpt-5-codex, could you post a full separate Bug Report with more info Create Bug Report , perhaps also link them here so others can benefit. Also add there also a Request ID with privacy disabled so we can look into the details: Getting a Request ID | Cursor Docs It would help us ad…

I think the model is worse than gpt-5-high.

It struggles with the edit tool. Also if you accept changes while it is running, it loses its mind and starts deleting and reapplying changes it already made.

[image] sthaber1: edit tool. Also if you accept changes while it is running, it loses its mind and starts deleting and reapplying Hi, is it possible to share any request ids so we can diagnose the issue? :slight_smile:

Gpt-5-codex discussion

Discussions

Artemonim (Artemonim) September 24, 2025, 2:10pm 11

Topic		Replies	Views
GPT-5-Codex is hesitant and stops before what you give it is truly done Feedback	18	2773	October 3, 2025
GPT 5.1 Codex Max feedback Feedback	6	420	December 7, 2025
Increase support for gpt-5-mini and gpt-5-codex Feature Requests	2	181	October 29, 2025
GPT 5.1 Codex Max Available in Cursor Announcements	3	3419	December 6, 2025
GPT-5-Codex is now available in Cursor! Announcements	0	1186	September 24, 2025

Gpt-5-codex discussion

Related topics