: Change the model field to one that your provider actually supports. For OpenAI’s official API, common options include gpt-5.4 , gpt-5.1-codex , or gpt-4o . Check your provider’s documentation for their exact model identifiers.
designed to bridge the gap between natural language and executable code. The "ini" suffix often implies a lightweight, initialized, or specific configuration version. 2. Pre-installation Requirements
Best practices
Instead of the official OpenAI Codex CLI, which requires an account, use a community version that works with Ollama:
Even with clear steps, things can go wrong. Here are the most frequent issues and how to fix them. codexini install
Right-click inside the main directory, select , and choose Text Document .
export OPENAI_API_KEY="your-api-key-here" : Change the model field to one that
macOS users can also install via , which is often more convenient for keeping the tool updated: