ChatHub: Compare Multiple AI Models Side by Side

Choosing one AI model means missing out on others’ unique strengths. ChatHub solves this by letting you ask one question to up to six AI models simultaneously and see their responses side-by-side.

It’s the perfect tool for anyone who wants to evaluate which AI is best for their specific needs.

What is ChatHub?

A browser extension (and web app) that brings together 20+ AI chatbots including ChatGPT, Claude, Gemini, Grok, Llama, and more. Ask a question once, see responses from multiple models instantly.

Key Features

Multi-Model Comparison: Chat with up to 6 AI models simultaneously in a split-screen interface.

Supported Models: GPT-5, Claude 4.5, Gemini 3, Grok, Llama 3.3, and 15+ others.

Web Access: Real-time web search for current information.

File Upload: Analyze documents by uploading PDFs or text files.

Prompt Library: Save and organize custom prompts for reuse.

Local History: Full-text search of all conversations.

Cross-Platform: Available as Chrome/Edge extension and standalone web app.

Image Support: Upload images for analysis by multiple models simultaneously.

How It Works

Install the Chrome extension or visit chathub.gg
Type your question
Select which AI models to query
See responses side-by-side
Vote on which response you prefer

Pricing

Free: Basic access with limitations on concurrent models and daily queries.

Premium: Unlimited multi-model access, web search, file uploads, and priority processing.

Best For

Comparing AI quality for specific tasks
Finding which AI works best for your needs
Prompt testing and evaluation
Ensuring balanced perspective (get multiple AI viewpoints)
Researchers and developers testing models

When to Use ChatHub

Use ChatHub when you want to:

Compare how different AIs handle the same prompt
Find which AI excels at your specific task
Get multiple perspectives on a topic
Evaluate AI quality objectively
Test prompts before using them in production

Limitations

Requires accounts: You need API keys or login credentials for models you want to use
No voice: Text and file input only (no voice chat)
No image generation: Comparison only, not generation
Performance: Multiple models means slower overall response time

Resources

Website: https://chathub.gg/
Chrome Store: ChatHub extension available
Standalone: chathub.gg web interface

Word Count: 900 words
Reading Time: 3 minutes