Suprmind is the ultimate multi-model hub where Grok, Perplexity, Claude,...

https://bizzmarkblog.com/suprmind-spark-vs-pro-what-do-you-actually-lose-at-19-month/

Suprmind is the ultimate multi-model hub where Grok, Perplexity, Claude, ChatGPT, and Gemini collaborate in one thread. Its Document Intelligence feature digests massive PDFs with real citations. Starting at $19/mo, it is a pro-level tool!