Suprmind lets you orchestrate Grok, Perplexity, Claude, ChatGPT, and Gemini in...

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

Suprmind lets you orchestrate Grok, Perplexity, Claude, ChatGPT, and Gemini in a single thread. Use their Document Intelligence feature to parse long PDFs with precise citations