The ('gpt-5.4', 'gpt-5.3-codex') model is not supported when using Codex with a ChatGPT account. · Issue #14181 · openai/codex
What version of Codex CLI is running? codex-cli 0.107.0 What subscription do you have? Free Which model were you using? gpt-5.4 / gpt-5.3-codex What platform is your computer? Microsoft Windows NT ...
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