An AI agent is not defined by how intelligently it talks. It's defined by what it's trusted to do.
Give a language model a chat window, and you have an interface. Give it access to production APIs, identity, business logic, memory, and the authority to execute actions on your behalf, and you have something categorically different: a new kind of software actor, one that can read your data, write to your systems, and make decisions faster than any human reviewer can watch in real time.
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