openai / openai/codex

When integrating custom-model, it should not default to routing to got5.6luna in the background.

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app custom-model enhancement
Dominant language
Rust
Stars
125k
Forks
19.4k
PR merge metrics
PR metrics pending

Description

What version of the Codex App are you using (From “About Codex” dialog)?

26.818.61809

What subscription do you have?

pro

What platform is your computer?

Darwin 23.6.0 arm64 arm

What issue are you seeing?

When integrating custom-model, it should not default to routing to got5.6luna in the background.

What steps can reproduce the bug?
What is the expected behavior?

Using the custom model, the background GPT 5.6luna model should default to routing to the main model, or it can be configured.

Additional information

Using the custom model, the background GPT 5.6luna model should default to routing to the main model, or it can be configured.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

The issue does not name any files, tests, or entry points. Start by tracing how custom-model integration selects the background model, then determine how the main model and background GPT 5.6luna routing are configured. Done means the background model uses the main custom model by default or can be configured.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
ai
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Active
Clarity
Needs clarification
Newbie friendliness
35/100

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