openai / openai/codex

I chose GPT-6 but ended up with the capabilities of GPT-4o.

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app bug model-behavior
Dominant language
Rust
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Description

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

Codex 26.908.40834

What subscription do you have?

ChatGPT Pro 20x

What platform is your computer?

windows

What issue are you seeing?

I was wrongly routed to a lower version of the model. I was using GPT-6, but the results were terrible. When I asked ChatGPT about the knowledge cutoff, it told me “My built-in knowledge cutoff is August 2024”. It's obvious that I got a very early version with poor capabilities, not GPT-6.

What steps can reproduce the bug?

Feedback ID: 01a0a8f2-79bb-7220-bbf8-1565bd8b8d64

What is the expected behavior?

No response

Additional information

No response

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

Start by reviewing feedback ID 01a0a8f2-79bb-7220-bbf8-1565bd8b8d64 alongside the Codex 26.908.40834 Windows report. Determine whether the selected GPT-6 model was routed to a lower-capability model, and consider the issue resolved only when the routing discrepancy is confirmed and corrected.

Written by the indexing model from the issue text.

Assessment

Domain
ai, desktop
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Active
Clarity
Needs clarification
Newbie friendliness
32/100

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