Using gpt-5.4 is consistently showing me this message [image]

What is going on? What is going on?

Also see: [image] Codex (VS Code extension) stops working mid-session with "model at capacity" errors Codex Welcome to the forum! Thanks for reporting, specifically for giving an exact human readable error message, “Selected model is at capacity” Your issue …

@bbu Welcome to the forum! I see you have two other recent topics, are these all related? [image] Stream disconnected before completion Codex stream disconnected before completion: An error occurred while processing your request. You can retry your request, o…

I’m seeing this a ton today and it’s causing some major issues in long running workflows. Effort becomes shallow and tasks stop suddenly with no warning and a small hard to read message in a giant wall of text for a session that has been running for hours. I have had to go back and correct major is…

Selected model is at capacity

Codex

EricGT April 23, 2026, 8:32am 4

Also see:

Topic		Replies	Views
GPT 5.5 - Selected model is at capacity Codex	1	1479	April 25, 2026
Codex (VS Code extension) stops working mid-session with "model at capacity" errors Codex	6	917	April 23, 2026
Codex web - Failed to sample tokens Codex codex , bug , gpt-5-codex	18	940	September 21, 2025
Sudden Codex Errors in VS Code Extension? Codex chatgpt	7	519	November 5, 2025
Frustrated with new Codex Limits for the Pro Users Codex	13	642	May 17, 2026

Selected model is at capacity

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