9 people reported
All time, since Sep 21, including 3 thumbs-up on GitHub.
Luna missing from model picker
“GPT-5.6 Luna suddenly disappeared from the Codex App model picker.”
Is this your bug? What gets counted gets fixed. Pile on.
Paste this into your agent. It files your report, with your error and version.
I hit this bug: rapsheet.dev/sheets/codex/issues/9202/file Follow it to file my report. Show me the text before you send.
No install. No account. Public and anonymous. The link asks your agent for one report, nothing else. What it sends
GPT-5.6 Luna missing from model picker but still runnable. Model absent from codex debug models and ~/.codex/models_cache.json while codex -m gpt-5.6-luna starts and warns "Model metadata ... not found".
Is this your bug?
File my report- Where
- Model picker
- Error text
Model metadata for 'gpt-5.6-luna' not found. Defaulting to fallback metadata; this can degrade performance and cause issues.- Versions
- 0.155.0 to 26.915.31945
- Platforms
- Linux, Windows
- How bad
- Breaks a normal workflow. Some reports say it used to work.
Part of: Codex model picker missing models10 bugs
- GPT-6 models missing from picker37 people
- Spark model unavailable despite quota18 people
- GPT-6 Astra missing from picker7 people
- Sol model rejected on ChatGPT sign-in19 people
- Models missing from picker3 people
- Ultrafast option disappears2 people
- Newer models missing in picker2 people
- Stale IntelliJ model picker4 people
- 6 Sol switch rejected5 people
Not quite your bug?
- Astra request served by Luna3 people
Original reports6, newest first
- GPT-5.6 Luna missing from Codex model catalog — working Ubuntu workaround usingOn GitHub Discussions#47308
- GPT-5.6 Luna suddenly disappeared from Codex App model picker while direct invocation still worksOn GitHub#47186
- GPT-5.6 Luna missing from Windows Desktop Codex model picker dropdown, usable via manual config.tomlOn GitHub#47177
- GPT-5.6 Luna missing from
/modeldespite being directly callable — stale Codex app-server after model catalog updateOn the forum#1399714 - [Windows][Plus] GPT-5.6 Luna disappeared from the model pickerOn GitHub#47166
- gpt-5.6-luna missing from effective model catalog and /model despite direct execution succeedingOn GitHub#47152