AI glossary · Chatbots and assistants
Conversational AI
Conversational AI is technology that lets computers hold natural back-and-forth conversations with people, in text or speech.
In more detail
It combines several pieces: speech recognition to hear you, natural language processing to understand you, a model to decide what to say, and sometimes text to speech to answer aloud.
Chatbots, voice assistants and AI phone agents are all forms of conversational AI.
Related terms
ChatbotA chatbot is a program you talk to in text or voice that replies like a person would. Modern AI chatbots like ChatGPT are powered by large language models.Voice assistantA voice assistant is an AI assistant you control by speaking, such as Siri, Alexa or Google Assistant, that answers questions and controls devices.Natural language processing (NLP)Natural language processing (NLP) is the branch of AI that helps computers understand, interpret and produce human language.Speech recognitionSpeech recognition is AI that turns spoken words into text, so you can talk to a device or get a written transcript of audio.
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