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

https://www.cast-bookmarks.win/suprmind-offers-smart-multi-model-chat-letting-you-switch-between-gpt-claude

Suprmind combines GPT, Claude, Gemini, Grok, and Perplexity into a single chat interface, making it easier to compare responses without switching tabs. It tracks disagreements between models and helps reduce hallucinations