Definition
Codex is OpenAI's coding agent, which reads your code, makes changes, and runs commands from the terminal, a code editor, a desktop app, or OpenAI's cloud.
Definition
Claude Code is Anthropic's coding agent, which reads your project, edits files, and runs commands based on what you describe in plain English.
Definition
Human-in-the-loop is an AI workflow that pauses at key steps for a person to review or approve the work, so the AI does the busywork while you keep the final say.
Definition
A runtime is the environment actually running your code right now, as opposed to the code just sitting on disk waiting to be run.
Did You Know
A chatbot replies to what you ask; an AI agent can take multi-step action on its own, using tools and checking results, to complete a task rather than just describe it.
Definition
Agentic AI refers to systems where an AI agent plans and takes multi-step actions toward a goal, adjusting as it goes, instead of just responding to one input at a time.
Definition
An AI agent is an LLM given tools and a decision loop, so it can take actions and react to their results instead of just answering a single prompt.