The Evolution of Enterprise Generative AI: From Chatbots to Autonomous Agents Over the past two years, enterprise generative AI has passed through two distinct generational phases and is now entering its third, most consequential era: Phase 1: Basic Conversational LLMs (2022–2023): Direct text-in, text-out chat interfaces. While impressive for summarization and drafting, they were passive, ungrounded in enterprise data, and prone to hallucination. Phase 2: Retrieval-Augmented