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

https://www.tool-bookmarks.win/suprmind-offers-real-time-multi-model-fact-checking-by-bringing-together-gpt

Suprmind lets you fact-check in real time by running GPT, Claude, Gemini, Grok, and Perplexity all within one thread. This makes it easier to validate decisions and catch AI hallucinations quickly—no need to switch tabs or juggle tools