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[docs] auth: docs: reconcile Codex auto-model caveat between authentication-architecture and api-proxy-sidecar #7860

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lpcox merged 1 commit into from
Aug 30, 2026
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[docs] auth: docs: reconcile Codex auto-model caveat between authentication-architecture and api-proxy-sidecar #7860

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8 changes: 7 additions & 1 deletion docs/authentication-architecture.md
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Expand Up @@ -481,9 +481,15 @@ export OPENAI_API_KEY="sk-..."

sudo awf \
--allow-domains api.openai.com \
"codex --prompt 'Hello world'"
"codex --model gpt-5.3-codex --prompt 'Hello world'"
```

Use an explicit model such as `gpt-5.3-codex` rather than Codex's `auto` model
alias. `auto` depends on ChatGPT-authenticated remote model/plugin metadata
resolution, which API-key based proxy routing cannot use even when
`chatgpt.com` is allowed, so `auto` can fail with `The requested model is not
supported` (see [docs/api-proxy-sidecar.md](api-proxy-sidecar.md#codex-openai-example)).

**Example 3: Using both providers**

```bash
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