ChatGPT

The world's most-used AI assistant for instant answers, writing, research, code, and image generation.

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Features

Feature 1

• GPT-5.5 reasoning + GPT-5.4 Thinking flagship models

Feature 2

• Deep Research for multi-source briefs and reports

Feature 3

• Agent Mode that browses the web and completes tasks autonomously

Feature 4

• Codex software engineering agent inside ChatGPT

Feature 5

• Native image generation with gpt-image-2 and Sora video

Feature 6

• Voice mode, Memory, Projects, and Custom GPTs

Feature 7

• Connectors for Google Drive, Gmail, GitHub, Slack, SharePoint

Feature 8

• Mobile, web, desktop, and macOS apps with global hotkey