Question: Why is the Azure OpenAI GPT-5.4 model not displayed or selectable?

I'm using Azure OpenAI model, but I cannot find or select the GPT-5.4 model in the model list.

opencode -v
1.2.20

Thank you!

This issue doesn't fully meet our contributing guidelines.

What needs to be fixed:

No issue template was used. For questions, please use the Question template which requires filling in the "Question" field with detailed context.
The issue body lacks sufficient detail: please describe what you've already tried, your current configuration (provider setup, OpenCode version), and what specific behavior you're seeing (e.g. is the model missing from the list entirely, or is there an error when selecting it?).

Please edit this issue to address the above within 2 hours, or it will be automatically closed.

This issue might be a duplicate of existing issues. Please check:

Azure OpenAI Cognitive Services endpoint: Responses API does not append ?api-version=, cannot use gpt-5.x-codex models #13999: Cannot use gpt-5.x-codex models on Azure Cognitive Services endpoints (Azure model availability/connectivity issues)
[FEATURE]: Azure GPT-5.3 Codex Model Support #15063: Feature request for Azure GPT-5.3 Codex model support (similar request for a specific Azure GPT-5.x model)

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