Suprmind lets you chat with GPT, Claude, Gemini, Grok, and Perplexity together...

https://stateofseo.com/suprmind-for-founders-can-it-argue-pricing-experiments/

Suprmind lets you chat with GPT, Claude, Gemini, Grok, and Perplexity together in one place. It tracks disagreements between models and helps reduce hallucinations. You can export conversations as Markdown, PDF, or DOCX using customizable templates