This model is not supported when using X-OpenAI-Internal-Codex-Responses-Lite.

Open 💬 1 comment Opened Jul 3, 2026 by ZenGeekLabs

What version of the Codex App are you using (From “About Codex” dialog)?

This model is not supported when using X-OpenAI-Internal-Codex-Responses-Lite.

What subscription do you have?

plus

What platform is your computer?

mac

What issue are you seeing?

This model is not supported when using X-OpenAI-Internal-Codex-Responses-Lite.

What steps can reproduce the bug?

This model is not supported when using X-OpenAI-Internal-Codex-Responses-Lite.

What is the expected behavior?

This model is not supported when using X-OpenAI-Internal-Codex-Responses-Lite.

Additional information

This model is not supported when using X-OpenAI-Internal-Codex-Responses-Lite.

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