Suprmind combines Claude, GPT, Gemini, Grok, and Perplexity in a single shared...

https://holdensimpressivethoughts.lumenforgex.com/posts/first-principles-mode-what-does-it-do-in-a-multi-ai-chat

Suprmind combines Claude, GPT, Gemini, Grok, and Perplexity in a single shared thread, making it easy to compare responses side-by-side