openai / openai/codex

Fast mode states different speeds

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app bug
Dominant language
Rust
Stars
125k
Forks
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PR merge metrics
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Description

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

Version 26.908.40834

What subscription do you have?

20x pro subscription

What platform is your computer?

Darwin 24.6.0 arm64 arm

What issue are you seeing?
Image Image

Typing /fast in codex app shows 2x speed for astra, however using the built in slider states it is 1.5x speed. Current problem can confuse people on which speed codex fast mode is working at.

What steps can reproduce the bug?

Simply opening the codex app and checking can reproduce the bug.

What is the expected behavior?

typing /fast in codex chat shows 2x speed for fast mode and clicking on the model on the bottom right of the chat box and hovering over the lightning icon shows 1.5x speed for fast mode.

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 reproducing the mismatch in the Codex App using the /fast command and the model selector's lightning-icon tooltip. Compare the two fast-mode speed labels and trace where each value is presented; done means both entry points consistently report the intended speed.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
desktop, frontend
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Active
Clarity
Clearly specified
Newbie friendliness
58/100

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