Missing option "Generate a Chat Completion" in OpenAI

Questions
1

Describe the problem/error/question

Following documentation about Chat Text Operations for OpenAI node:

There is a note like:

n8n version 1.117.0 introduces the OpenAI node V2 that supports the OpenAI Responses API. It renames the ‘Message a Model’ operation to ‘Generate a Chat Completion’ to clarify its association with the Chat Completions API and introduces a separate ‘Generate a Model Response’ operation that uses the Responses API.

But I’m using version 1.118.1 self-hosted and I miss this option:

Screenshot 2025-10-30 105353
Screenshot 2025-10-30 105353409×1067 54.6 KB

What is the error message (if any)?

Missing option “Generate a Chat Completion” in OpenAI workflow

Please share your workflow

(Select the nodes on your canvas and use the keyboard shortcuts CMD+C/CTRL+C and CMD+V/CTRL+V to copy and paste the workflow.)

Share the output returned by the last node

Information on your n8n setup

  • n8n version: 1.118.1
  • Database (default: SQLite): SQL Lite
  • n8n EXECUTIONS_PROCESS setting (default: own, main):
  • Running n8n via (Docker, npm, n8n cloud, desktop app): self-hosted via Docker
  • Operating system: K8s cluster
2

I am having the same problem. The documentation is stating one thing but 1.118.1 is showing differently

3

Still without answer from support

4

It appears that the latest OpenAI node version 2.1 (Latest) is only supporting the new OpenAI responses endpoint,

If you still want to use completion endpoint, I think there are two options rn:
1- Use an older version.
2- Use the Basic LLM Chain with with option Use Responses API turned off

Hope this helps..