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feat: add gpt-5.4 to ChatGPT Plus/Pro (Codex) model catalog#11876

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feat: add gpt-5.4 to ChatGPT Plus/Pro (Codex) model catalog#11876
roomote-v0[bot] wants to merge 1 commit intomainfrom
feature/add-gpt-5.4-to-codex-models

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@roomote-v0 roomote-v0 bot commented Mar 6, 2026

Adds GPT-5.4 to the OpenAI Codex (ChatGPT Plus/Pro) provider model catalog so users with a ChatGPT Plus/Pro subscription can select it from the model dropdown.

What changed

Added a gpt-5.4 entry to openAiCodexModels in packages/types/src/providers/openai-codex.ts, matching the capabilities from the OpenAI API catalog but with subscription-based pricing (zero cost).

Why

Customer reported that GPT-5.4 is available when using the OpenAI API provider but missing from the ChatGPT Plus/Pro (OAuth) provider. Since Plus/Pro subscribers have access to GPT-5.4 via chatgpt.com, our Codex model catalog should include it.

Risk

If the Codex backend (chatgpt.com/backend-api/codex) does not support the gpt-5.4 model ID, users will get an error. Should be verified with a quick manual test before merging.

Interactively review PR in Roo Code Cloud

@dosubot dosubot bot added size:S This PR changes 10-29 lines, ignoring generated files. Enhancement New feature or request labels Mar 6, 2026
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Enhancement New feature or request size:S This PR changes 10-29 lines, ignoring generated files.

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