GPT-6 Astra missing from both Work and Codex on Windows Desktop Beta 26.727.40816
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- Dominant language
- Rust
- Stars
- 125k
- Forks
- 19.4k
- PR merge metrics
- PR metrics pending
Description
I'm a ChatGPT Plus subscriber. GPT-6 Astra is available for my account on chatgpt.com, but it is missing from both Work and Codex in the Windows ChatGPT Desktop app.
Environment
OS: Windows
ChatGPT Desktop: 26.727.40816 (Beta)
Plan: ChatGPT Plus
Workspace: Personal
Expected behavior
GPT-6 Astra should appear in the model selector for Work and Codex.
Actual behavior
Astra does not appear in either Desktop Work or Desktop Codex.
In Codex, the available models are:
GPT-5.6 Sol
GPT-5.6 Terra
GPT-5.6 Luna
GPT-5.5
Troubleshooting already attempted
Menu → Check for Updates
Fully quit and restarted the app
Checked for updates again after restart
Signed out and signed back in
Confirmed GPT-6 Astra is available on chatgpt.com
Submitted in-app / feedback
Session ID
no-active-thread-01a0bb13-84f1-7a63-b699-c8dc3356102a
First noticed
September 20, 2026
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the missing GPT-6 Astra model in the Windows ChatGPT Desktop Beta 26.727.40816, specifically in Work and Codex, after the listed update and sign-in checks. Trace the model-selector handling for those two areas; done means GPT-6 Astra appears alongside the currently listed models.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- desktop
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Active
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100