I am doing the n8n course and I tried to build an workflow where I selected the message model as OpenAI. I followed the steps as instructed in the video. However, when I tried executing the step, it throws an error that “The resource you are requesting could not be found”. I am using openai/gpt-4.1.
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Same issue here.
From OpenAI the output is just:
404
{“detail”: “Not Found”}
when trying openai/gpt-4.1 or gpt-4.1 as model IDs. First I thought the API Keys didn’t work correctly, but when using Manual Trigger + HTTP Request with cURL command generated from KodeKey | KodeKloud setup, it worked.
Later on in the n8n course, I meet the same issues at step Workflow 1: Your First Simple Email AI Agent → “the resource you are requesting could not be found”
Please send me the lab link, and I will review it and give you detailed feedback.