Suprmind lets you fact-check in real time by combining GPT, Claude, Gemini,...

https://stateofseo.com/how-to-validate-ai-output-for-a-client-deliverable/

Suprmind lets you fact-check in real time by combining GPT, Claude, Gemini, Grok, and Perplexity—all in one thread. This multi-model approach helps you validate decisions and catch hallucinations quickly, without hopping between tabs or tools