Suprmind offers a shared thread workspace combining Claude, GPT, Gemini, Grok,...

https://web-wiki.win/index.php/Can_I_Turn_Off_GPT,_Gemini,_and_Grok_and_Use_Only_Claude_in_Suprmind%3F

Suprmind offers a shared thread workspace combining Claude, GPT, Gemini, Grok, and Perplexity, giving you access to multiple AI models in one place. Plans start at $20/month, with a 7-day free trial and no credit card required