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

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

Suprmind offers a multi-AI chat experience combining GPT, Claude, Gemini, Grok, and Perplexity in one app. At $19 a month, Spark is just a dollar cheaper than ChatGPT Plus and includes a 7-day free trial with no credit card needed