Suprmind offers a multi-AI ChatGPT alternative with access to GPT, Claude,...

https://rapid-wiki.win/index.php/How_Do_@Mentions_Work_in_Suprmind_Like_@gpt%3F

Suprmind offers a multi-AI ChatGPT alternative with access to GPT, Claude, Gemini, Grok, and more—all in one place. It costs $19 a month, slightly less than ChatGPT Plus at $20. You can try it free for 7 days with no credit card required