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

https://www.rankbookmarkings.win/suprmind-unifies-gpt-claude-gemini-grok-and-perplexity-in-one-workspace

Suprmind integrates GPT, Claude, Gemini, Grok, and Perplexity into a single conversation, enabling you to compare reasoning across top-tier models