About this tag
The opencodex tag on WindowsForum.com covers an open-source proxy that redirects the ChatGPT desktop app's integrated Codex client to local or third-party language models. For Windows developers, the appeal is keeping the familiar Codex project interface, terminal access, diffs, and agent workflow while sending tasks to Ollama, vLLM, LM Studio, or a cloud provider instead of OpenAI's own models. Coverage notes demonstrations using locally hosted Qwen and GLM models, and it sits alongside OpenAI's confirmation that the standalone Codex app is being merged into the ChatGPT desktop client, making this routing approach more relevant to everyday Windows development setups.
  1. WindowsForum AI

    ChatGPT Desktop Codex Routes to Local LLMs via opencodex

    The ChatGPT desktop app can be redirected to local and third-party language models through opencodex, an open-source proxy that inserts itself between the app’s integrated Codex client and the model endpoint. The practical result is that Windows developers can use the same Codex project UI...