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[FEATURE]: tui: allow selecting a model with --model when launching the TUI #57259
Description
Feature hasn't been suggested before.
- I have verified this feature I'm about to request hasn't been suggested before.
Describe the enhancement you want to request
Description
In OpenCode V2, the opencode command does not accept --model / -m when launching the full-screen TUI. It only appears to be supported by opencode run.
In V1, I could start the TUI with a specific model:
opencode -m "provider/model"In V2, this fails:
opencode --model "provider/model"ERROR
Unrecognized flag: --model in command opencode
Problem
This breaks a common terminal workflow: launching OpenCode directly with a chosen model, especially for shell aliases, scripts, project shortcuts, and users who switch models frequently.
Selecting the model with /models after opening the TUI works, but it requires an extra manual step every time.
Proposed solution
Support the documented --model / -m flag on the top-level opencode command, accepting a provider/model identifier and applying it to the newly created TUI session.
Example:
opencode -m "provider/model"It should also work together with an optional project directory:
opencode /path/to/project -m "provider/model"Environment
- OS: Windows 11
- OpenCode: V2
- Terminal: PowerShell
Activity
opencode-agent commentedon Oct 20, 2026
Thanks for the clear write-up! I think this is a duplicate of #56218, which reports the same thing: in v2 the root
opencodecommand no longer accepts-m/--model(it fails withUnrecognized flag), though v1 did, and it asks for the flag back so the TUI can start with a chosen model.These are the possible duplicates and related issues, most likely first:
opencode -m provider/modelno longer accepted on root command (worked in v1) #56218: same request.opencode -m provider/modelis rejected on the root command in v2 but worked in v1.--agenton the root TUI command.--modelto the root command and passes it to the TUI.--varianton the plainopencodecommand.Please follow #56218 for updates. The bot will close this issue as a duplicate in 1 day unless you reply explaining how your request is different.
opencode-agent commentedon Oct 21, 2026
We haven't heard back, so I'm closing this as a duplicate of #56218. That issue asks for the same thing: having
opencode -m/--modelstart the v2 TUI with a chosen model, as it did in v1. Please follow #56218 for updates, and add a 👍 or a comment there if you have more details. If your request turns out to be different, reply here and we can reopen it. Thanks for the report!