The post discusses the integration of OpenAI Codex with multiple providers and highlights its capability to use various open-source LLM models. There are user comments noting the ease of use by allowing configuration for local or remote APIs but also mentioning challenges in compatibility with certain models. One user expressed curiosity about the choice of Phi as the default model, questioning its relevance in current trends. Overall, there is a mix of excitement over the convenience of the new features and skepticism about specific model selections and performance aspects.