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V2 prompt input hides model reasoning selector #29051
Description
Description
The desktop beta/dev app uses the v2 prompt input, which shows the selected model but does not render the model variant selector. For models with reasoning variants, such as GPT-5.5, users can select the model but cannot change reasoning level from the prompt controls even though the provider response includes variants.
This is related to #28686, but this issue is scoped specifically to the missing model variant/reasoning selector in the v2 prompt input.
Plugins
N/A
OpenCode version
0.0.0-beta-202605240006 / dev desktop build
Steps to reproduce
- Open the desktop beta/dev app with the v2 prompt input enabled.
- Select a model that has variants, such as
openai/gpt-5.5. - Inspect the prompt controls next to the model picker.
- The model picker shows GPT-5.5, but the reasoning/model variant selector is not visible.
Screenshot and/or share link
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Operating System
macOS
Terminal
Desktop app
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github-actions commentedon May 24, 2026
This issue doesn't fully meet our contributing guidelines.
What needs to be fixed:
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:
If you believe this was flagged incorrectly, please let a maintainer know.
aidan0x13 commentedon May 24, 2026
Updated the issue to use the bug report fields. This is related to #28686, but kept separate because PR #29050 is scoped only to the missing model variant/reasoning selector in the v2 prompt input.
github-actions commentedon May 24, 2026
Thanks for updating the issue! It now follows the bug report template with all the required fields filled in. The needs:compliance label has been removed.
Salloxy commentedon May 28, 2026
Current-release context: this same missing reasoning/model variant selector appears to affect v1.15.12 in the newly user-toggleable Desktop UI. The model can be selected, but the UI no longer exposes a way to change the reasoning level for models with variants.
aidan0x13 commentedon Jun 4, 2026
fixed in #30646