Enable Codex to Support All OpenAI-Format Model Integration!
Unlock Codex's full potential! Use Gemini, OpenRouter, or local Ollama models. Open-source fork with OpenAI-style API. Easy npm install & flexible config.
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No longer limited to OpenAI, from now on, you can freely choose to use Gemini, OpenRouter, or even local Ollama models to connect with Codex!
But this is not the official Codex - it's an open-source fork version. Since Codex itself is open source, contributors have created a new branch based on the open-source code. In this branch, they've made Codex freely compatible with all adapters that support OpenAI interface formats.
Unlike the original branch, the new version has been modified to adopt the more advanced Chat Completion API, which is the format we're most familiar with and has essentially become the industry standard - OpenAI's format.