ChatHub

ChatHub is a multi-model chat platform that lets you compare responses from ChatGPT, Claude, Gemini, and others simultaneously. It offers a free tier and a premium subscription for expanded usage. The tool aggregates over 20 AI models including GPT-5, Claude 4.5, and Gemini 3, providing side-by-side comparisons to reduce hallucinations and improve answer confidence. Features include AI image generation (Nano Banana, FLUX.2, Stable Diffusion), file upload and analysis (PDFs, spreadsheets), web search with real-time info, code preview with syntax highlighting, and a prompt library. Accessible as a browser extension, web app, native iOS and Android apps, and desktop apps for Windows and Mac. Ideal for developers, researchers, and solopreneurs who need quick comparisons across models for fact-checking, creative tasks, or workflow integration. The free tier offers basic usage; premium unlocks more queries and advanced features.