ChatHub
Multi-model AI chat client — access GPT-4, Claude, Gemini, and more side by side in one interface.
What is ChatHub?
ChatHub is a multi-model AI chat client that provides access to GPT-4, Claude, Gemini, and other leading models in a single interface. It supports side-by-side model comparison, prompt libraries, and custom bot creation — available as a Chrome extension, desktop app, and mobile app.
What can ChatHub do?
Multi-Model Side-by-Side Chat
Send the same prompt to multiple AI models simultaneously and view responses in parallel columns for direct comparison.
Unified Model Access
Access GPT-4o, Claude, Gemini, Mistral, and other leading models from a single login without switching between apps.
Custom Bot Creation
Build custom AI bots with system prompts, specific model selections, and saved personas for recurring use cases.
Prompt Library
Save frequently used prompts and templates for quick access across conversations and different model sessions.
Cross-Platform Support
Use ChatHub as a Chrome extension, web app, or native desktop and mobile app on Windows, macOS, iOS, and Android.
Who is ChatHub for?
- Researchers and writers
- Compare how different AI models respond to the same question to select the best answer or understand model differences.
- Power users
- Create custom AI assistants with tailored system prompts for specific workflows like code review, translation, or content drafting.
- FreeFree
- ProContact sales
as of Jun 20, 2026
Frequently Asked Questions
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