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About ChatGPT
ChatGPT is the world's most widely used AI assistant, developed by OpenAI. As of 2026, it has evolved from a simple chatbot into a multimodal operating system for personal and professional tasks, with over 5.5 billion monthly visits. It can see, hear, speak, perform complex research, write code, generate images, and execute multi-step workflows through its agent mode.
Updated 6/23/2026
Key Features
- GPT-5.5 Series — The latest model lineup: GPT-5.5 Instant for fast responses, GPT-5.5 Thinking for complex reasoning, and GPT-5.5 Pro for maximum capability on research and coding tasks
- Deep Research — A specialized mode that browses dozens of sources to generate comprehensive, cited reports on complex topics
- Agent Mode — Autonomous multi-step task execution that can browse the web, write code, analyze data, and complete workflows end-to-end
- Codex — AI-powered code writing, debugging, and refactoring across languages and frameworks, with expanded access on Plus and Pro plans
- Voice & Video — Natural voice conversations with video input support; expanded voice access on Go and above
- Image Generation — Create and edit images from text prompts, with Thinking-powered image creation on Plus and above
- Memory — Remembers your preferences and context across conversations, with expanded memory on paid plans
- Projects & Tasks — Organize conversations into projects, schedule recurring tasks, and create custom GPTs for specialized workflows
- Apps & Connectors — Connect to internal tools, Excel, Google Sheets, and third-party apps through the Apps marketplace
Pricing Structure
- Free — $0/month — Limited access to GPT-5.5 Instant, limited messages, uploads, image generation, deep research, memory, and Codex — great for trying ChatGPT
- Go — ~$14/month — More access to GPT-5.5 Instant, more messages and uploads, longer memory, voice with video, data analysis, image generation
- Plus — ~$30/month — Advanced reasoning with GPT-5.5 Thinking, expanded deep research and agent mode, projects, tasks, custom GPTs, expanded Codex, early access to features
- Pro — ~$168/month — 5x or 20x more usage, GPT-5.5 Pro reasoning, maximum Codex tasks, unlimited file uploads, unlimited image creation, maximum deep research, ChatGPT Pulse
- Business — Custom (from 2 users) — SAML SSO, unified billing, dedicated workspace, admin console, SOC 2 compliance, data residency, analytics dashboard
- Enterprise — Custom — Custom security review, SCIM, enterprise key management, IP allowlisting, branded workspace, dedicated onboarding and account management
Why People Use It
ChatGPT remains the most accessible and widely used AI assistant globally. Its strength is breadth — it handles everything from casual conversation to complex research, coding, image generation, and autonomous task execution. With the GPT-5.5 series, agent mode, and deep research, it has evolved far beyond a simple chatbot into a full productivity platform.
See ChatGPT in Action
