ChatGPT
ChatGPT is OpenAI's conversational assistant for writing, learning, coding, and analysis, with optional search, file, image, voice, and data tools.
Tool overview
Pi is a conversational AI companion that responds to questions by text or voice.
Pi is a conversational AI companion that responds to questions by text or voice. Users can hold natural text conversations and answer questions through voice conversations.
Pi is a conversational AI companion that responds to questions by text or voice.
Shared category alone does not imply direct competition.
ChatGPT is OpenAI's conversational assistant for writing, learning, coding, and analysis, with optional search, file, image, voice, and data tools.
Claude is Anthropic's conversational assistant for writing, research, coding, and analysis, with support for documents, images, and collaborative artifacts.
Perplexity is an AI answer engine that searches the web and presents cited responses, with workflows for deeper research and analysis.
Google's Gemini app supports conversational assistance for learning, research, and creation, with Live interactions and tools such as Deep Research and Canvas.