ChatGPT is an AI chatbot built by OpenAI for everyday use, designed to help anyone explore ideas, solve problems, and learn faster through natural conversation with advanced AI models. Available on the web, iOS, Android, and desktop platforms, it provides access to OpenAI's most capable models through a conversational interface suited to both personal and professional tasks.

The service offers a free plan open to everyone, alongside paid tiers — Go, Plus, Pro, Business, and Enterprise — each providing progressively higher usage limits, faster performance, and expanded capabilities. Business and Enterprise plans include encryption at rest and in transit, no training on business data by default, and enterprise-level controls such as SCIM provisioning, domain verification, role-based access management, and EKM.

A growing set of specialized tools is built directly into the chat experience. Deep research conducts multi-step investigations across the web and synthesizes findings into structured reports. Agent mode enables ChatGPT to act autonomously — browsing, filling forms, and executing complex workflows on behalf of the user. Canvas provides an inline writing and code editor for iterative, long-form creation. Advanced Voice Mode enables real-time spoken conversation, and a built-in image generation tool produces original visuals from text prompts.

Projects group related conversations with shared context, uploaded files, and custom instructions. Memory retains information across sessions for more personalized responses. An expanding apps directory connects ChatGPT to services such as Slack, Google Drive, SharePoint, and Jira, letting users bring in live data and take actions in context. Custom GPTs allow individuals and organizations to configure dedicated AI assistants tailored to specific domains, workflows, or audiences.