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

https://suprmind.ai/hub/chatgpt/best-chatgpt-alternative/

Suprmind offers a multi-AI chat platform combining GPT, Claude, Gemini, Grok, and Perplexity in one place. At $19 a month, Spark is a dollar cheaper than ChatGPT Plus and lets you try it free for 7 days—no credit card needed