Suprmind offers a shared thread interface combining Claude with GPT, Gemini,...

https://echo-wiki.win/index.php/Why_Do_People_Search_for_a_Claude_Alternative_If_Claude_Is_Good_at_Writing%3F

Suprmind offers a shared thread interface combining Claude with GPT, Gemini, Grok, and Perplexity, making cross-model research seamless