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xhigh not available for GPT-5.2 or GPT-5.2-Codex via Github CoPilot #9818
Description
Description
I specifically subscribed to Github CoPilot because of your announcement that opencode now supports Github CoPilot as a provider and all the models.
In codex-cli or copilot-cli xhigh reasoning is available.
In opencode, cycling with CTRL+t only low, medium and high are available, xhigh is not.
For other providers xhigh is available.
Plugins
No response
OpenCode version
No response
Steps to reproduce
Try selecting xhigh reasoning for the mentioned models
Screenshot and/or share link
No response
Operating System
No response
Terminal
No response
Reacted by lctech-sid, Benjamin, Róbert Balázs and Björn Zosel
Activity
github-actions commentedon Jan 21, 2026
For keybind-related issues, please also check our pinned keybinds documentation: #4997
bjoernzosel commentedon Jan 22, 2026
now it's available - awesome:
divaltor commentedon Jan 22, 2026
You show us picture from OpenAI provider, not Github Copilot
It's still unavailable
bjoernzosel commentedon Jan 22, 2026
yes you are right... my bad
rekram1-node commentedon Jan 22, 2026
Does copilot only allow that reasoning level for the 2 gpt-5.2 models? I need to find where this is stated so I can make sure others also match
Arthur742Ramos commentedon Jan 22, 2026
GitHub Copilot allows setting xhigh for gpt-5.1-codex-max and get-5.2* models. I sent a PR to fix this issue.
3 remaining items
rekram1-node commentedon Jan 22, 2026
Merged @Arthur742Ramos pr, should be fixed in next release
dlukt commentedon Jan 23, 2026
I'm on 1.1.34 and it's still high only
dlukt commentedon Jan 23, 2026
The PR wasn't merged
Sewer56 commentedon Jan 23, 2026
@rekram1-node
was not in fact merged
FYI
rekram1-node commentedon Jan 30, 2026
? wdym by not merged...
dlukt commentedon Jan 31, 2026
when we commented that it wasn't merged
feat: Add GitHub Copilot gpt-5.2 models to XHIGH_MODEL_REFS
dzianisv commentedon Feb 20, 2026
Hey, it still doesn't work on latest opencode. What did I miss. See the same issue when configure opencode to use gpt-5.2-codex on azure. Only high is available!
official-elinas commentedon Feb 22, 2026
gpt-5.2 on azure openai also only supports up to "high" not "xhigh" which is a bit frustrating since i have azure credit and would like to burn it :)
Thanks
dbosky commentedon Feb 25, 2026
What's tour config to enable gpt-5.2-codex from azure? I can't get that to work as I'm getting
Model not available for this client