ChatGPT
OpenAI
OpenAI's ChatGPT — the world's most widely used AI assistant and the GPT family's official entry point.
Global Models (7)
ChatGPT, Claude, Gemini, Grok, Copilot and other leading global AI models — official links and overviews.
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Claude
Anthropic
Anthropic's assistant — top-tier long-form writing, code quality and the Claude Code agent.
Gemini
Google
Google's assistant, deeply integrated with Search, Android and Workspace.
Grok
xAI
xAI's assistant wired into X (Twitter)'s real-time feed.
Microsoft Copilot
Microsoft
Microsoft's assistant woven into Windows, Edge and Microsoft 365.
Perplexity
Perplexity AI
The answer engine: direct answers with numbered citations.
Le Chat
Mistral AI
Mistral AI's fast assistant from Europe, backed by a leading open-weight family.