What is AI Assistant?
TL;DR
A general term for AI systems that support user tasks through natural language conversation.
AI Assistant: Definition & Explanation
AI Assistant is a general term for AI systems that answer user questions and execute tasks through natural language conversation. Representative examples include chat-based AI such as ChatGPT, Claude, Gemini, and Copilot, as well as voice-based AI such as Siri, Alexa, and Google Assistant. They handle diverse tasks including text generation, information retrieval, schedule management, email composition, and code generation. The evolution of AI assistants can be organized into three generations: first-generation rule-based systems (FAQ chatbots), second-generation LLM-based systems (general-purpose conversational AI like ChatGPT), and third-generation AI agents (autonomous systems that use tools and complete multi-step tasks). As of 2025, we are in the transition from second to third generation, with AI assistants evolving from mere conversationalists to systems with real execution capabilities.