Suprmind offers a multi-AI chat platform combining GPT, Claude, Gemini, Grok,...

https://wiki-cable.win/index.php/What_Changes_When_You_Upgrade_from_Spark_to_Pro_on_Suprmind%3F

Suprmind offers a multi-AI chat platform combining GPT, Claude, Gemini, Grok, and Perplexity models in one place. At $19 a month, it’s slightly cheaper than ChatGPT Plus’s $20. You can try it free for 7 days—no credit card needed