# codex > Natural language code assistant for the terminal, powered by OpenAI. > Reads and edits files in your current directory to fulfill requests. > More information: . - Start an interactive Codex session in the current directory: `codex` - Run a single Codex command using a prompt: `codex "{{your prompt}}"` - Run a prompt with automatic approval of all file edits and commands: `codex {{[-a|--approval-mode]}} full-auto "{{your prompt}}"` - Use a specific provider and model: `codex --provider {{provider_name}} {{[-m|--model]}} {{model_name}} "{{your prompt}}"` - Load the entire repository as context (experimental): `codex --full-context "{{your prompt}}"` - Show the resource usage for the current session (run this command inside a session): `/cost` - Display help: `codex --help`