OpenAI has launched Codex CLI, an open-source, terminal-native coding agent designed to enhance the development workflow.Codex CLI acts as an AI pair programmer within the terminal, powered by OpenAI's latest models.Key highlights of Codex CLI include local execution, terminal-native experience, multimodal input support, and flexible control.OpenAI has also announced a $1 million fund to support open-source projects integrating Codex CLI and other OpenAI models.