Suprmind combines Claude, GPT, Gemini, Grok, and Perplexity into a single...

https://penelopessmartdigests.talesignal.com/posts/is-suprmind-useful-if-i-only-care-about-claude-writing-quality

Suprmind combines Claude, GPT, Gemini, Grok, and Perplexity into a single shared thread for seamless AI workflows. It offers a 7-day free trial with no credit card required, making it easy to evaluate multiple models side-by-side within one interface.