Suprmind lets you use Claude, ChatGPT, Gemini, Grok, and Perplexity in a single...

https://stateofseo.com/suprmind-spark-are-4-projects-and-10-files-enough-for-your-solo-workflow/

Suprmind lets you use Claude, ChatGPT, Gemini, Grok, and Perplexity in a single thread. It is the ultimate orchestration layer for complex AI tasks. Starting at $19 a month, you can unlock features like Debate mode to stress-test your results.