Sol model rejected on ChatGPT sign-in

“GPT-6.1 Sol is visible in my ChatGPT app, but it is missing from the Codex CLI /model menu.”

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/14684/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

Growing. 1 report or thumbs-up in the last 7 days and none the week before, down from 12 a week at the late-September peak.

Sol models missing from /model and rejected with ChatGPT sign-in. Selecting the model explicitly with a ChatGPT account returns HTTP 400 "not supported when using Codex with a ChatGPT account"; the CLI does not explain eligibility.

Is this your bug?

File my report

Where: Codex CLI model selection
Error text: {"type":"error","status":400,"error":{"type":"invalid_request_error","message":"The 'gpt-6.1-sol' model is not supported when using Codex with a ChatGPT account."}}Pasted in 5 reports
Versions: 0.153.4 to 0.163.0
Platforms: Linux, macOS, Windows
How bad: Breaks a normal workflow.

Part of: Codex model picker missing models10 bugs

GPT-6 models missing from picker37 people
Spark model unavailable despite quota18 people
Luna missing from model picker9 people
GPT-6 Astra missing from picker7 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?

Sol model at capacity2 people

Original reports6, newest first

Oct 21, 2026GPT-6.1 Sol was previously available to our ChatGPT Business Premium account, and we used it in existing Codex CLI sessions. It has now disappeared from /model, and we cannot continue those sessions on their original model.On GitHub#55902
Oct 20, 2026[Windows][Plus][CLI] Sol models missing from resolved catalog on 0.163.0. Explicit selection returns HTTP 400On GitHub#55617
Oct 18, 2026[Windows][Plus][CLI] GPT-6.1 Sol missing from both catalogs and HTTP 400 via built-in OpenAI provider; official-auth custom path behaves differentlyOn GitHub#55028
Sep 30, 2026CLI 0.159.2: gpt-6.1-sol missing from /model and rejected with ChatGPT account on macOSOn GitHub#49703
Sep 30, 2026GPT-6 Astra rejected for ChatGPT Pro $100 account in CodexOn GitHub#49619
Sep 29, 2026Codex CLI says gpt-6.1-sol is unsupported with ChatGPT sign-in without explaining eligibilityOn GitHub#49396