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feat: export the Codex CLI's model catalog #22

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Merged
TheGreatAxios merged 2 commits into from
Sep 29, 2026
Merged

feat: export the Codex CLI's model catalog #22

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b7bfd5f
feat: export the models a ChatGPT login serves
TheGreatAxios Sep 29, 2026
391e557
fix: list only the models the Codex CLI shows in its picker
TheGreatAxios Sep 29, 2026
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1 change: 1 addition & 0 deletions README.md
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Expand Up @@ -104,6 +104,7 @@ process.stdout.write("\n");
| `CodexTokens`, `FetchLike` | Types. |
| `CODEX_PROVIDER` | The `"codex"` provider id. |
| `CODEX_BASE_URL`, `CODEX_RESPONSES_PATH` | `https://chatgpt.com/backend-api` and `/codex/responses`. |
| `CODEX_DEFAULT_MODELS` | The models the Codex CLI's bundled catalog lists in its picker. |
| `CODEX_ACCOUNT_ID_OPTION` | `providerOptions` key sent as the `chatgpt-account-id` header. |
| `CODEX_SESSION_ID_OPTION` | `providerOptions` key sent as `prompt_cache_key` and the `session_id` header. |
| `CODEX_REASONING_EFFORT_OPTION` | `providerOptions` key sent as `reasoning.effort`; `"none"` omits it. |
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14 changes: 14 additions & 0 deletions src/constants.ts
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Expand Up @@ -62,6 +62,20 @@ export const CODEX_AUTHORIZE_EXTRA_PARAMS: Record<string, string> = {
export const CODEX_BASE_URL = "https://chatgpt.com/backend-api";
export const CODEX_RESPONSES_PATH = "/codex/responses";

// The models the Codex CLI's bundled catalog lists in its picker
// (openai/codex@b1e72963c3, codex-rs/models-manager/models.json, visibility
// "list"), by priority.
export const CODEX_DEFAULT_MODELS = [
"gpt-6.1-sol",
"gpt-6-astra",
"gpt-6-sol",
"gpt-6-luna",
"gpt-5.6-sol",
"gpt-5.6-terra",
"gpt-5.6-luna",
"gpt-5.5",
] as const;

// Refresh a token this many milliseconds before its stated expiry so a
// request is never sent with a token about to lapse mid-flight.
export const CODEX_REFRESH_SKEW_MS = 60_000;
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