[redrove]

Yes I'm on ChatGPT Pro (OAuth) and I'm trying to use gpt-5.5-xhigh.

That was the issue, 5.4 works just fine.

Support for service: priority (GPT /fast mode) would also be cool!

[GodelNumbering]

Will fix this soon. Please feel free to create a github issue in the meantime.

[GodelNumbering]

Gpt 5.5 is now fully supported using codex and api

[redrove]

cool!