[BUG] Using --prompt causes the wrong model to be selected.

[arkaydeus]

Description

When you just run opencode, it launches with the default model which the user has selected. This is good.

But when you then run opencode --prompt "What is this repo?", instead of exactly the same behavior but with the prompt, it launches with Gemini 3 Pro via Github as the provider.

Adding --prompt has nothing to do with the model. So forcing this model which will often fail, is an undesirable and unrelated outcome that appears to be a bug.

Plugins

No response

OpenCode version

1.1.20

Steps to reproduce

opencode --prompt "What is this repo?"

Screenshot and/or share link

No response

Operating System

No response

Terminal

No response