Best multi-model interaction AI tools

Cosmicup is an all-in-one AI platform offering unlimited access to a wide array of advanced AI models like ChatGPT 5, Claude 4.5, Gemini 2.5, and Grok 4 through a single subscription. It streamlines workflows with features including multi-model interaction, code assistance, document analysis, real-time web search, deep research, and AI image generation, eliminating the need for multiple subscriptions.