Remove stale “research preview” wording from codex exec startup banner
What version of Codex CLI is running?
Latest main / current source at openai/codex. The string is currently present in codex-rs/exec/src/event_processor_with_human_output.rs.
What subscription do you have?
N/A — this is about CLI startup output, not account-specific behavior.
Which model were you using?
N/A
What platform is your computer?
N/A — platform-independent banner text.
What terminal emulator and version are you using (if applicable)?
N/A — platform-independent banner text.
What issue are you seeing?
codex exec still prints “research preview” in its human-readable startup banner:
OpenAI Codex v<version> (research preview)That wording appears to be stale branding. It has been carried forward since the early Codex CLI history and through later Rust/app-server refactors, but Codex has been publicly available for a long time and the label now only seems to remain in this startup output.
This makes Codex look less mature/current than it is. In practice, Codex feels well beyond a research preview at this point, and the old banner undersells the quality and maturity of the CLI.
What steps can reproduce the bug?
Run codex exec and look at the first human-readable banner line.
The current source line is here:
https://github.com/openai/codex/blob/8f5d68f9d25237d0e52ebb8bdd9e7ada01d586c9/codex-rs/exec/src/event_processor_with_human_output.rs#L222
What is the expected behavior?
The startup banner should omit the stale preview label and print:
OpenAI Codex v<version>Additional information
I know external code contributions are by invitation only, so I’m opening an issue rather than a PR. To save maintainer time if this change is welcome, I made the one-line cleanup in my fork here:
https://github.com/martinfrancois/codex/commit/03387fced5e665ecde166e2b9d1818183a03b136
Maintainers are welcome to cherry-pick it or just use it as a reference. The commit removes only the hard-coded (research preview) suffix and leaves the version display unchanged.