Suprmind combines GPT, Claude, Gemini, Grok, and Perplexity into a single chat...

https://www.booknose.win/suprmind-offers-a-multi-model-chat-platform-where-you-can-talk-to-gpt-claude

Suprmind combines GPT, Claude, Gemini, Grok, and Perplexity into a single chat interface, making it easier to compare responses and track disagreements