Suprmind is an agent-based platform that stress-tests your critical thinking....

https://bizzmarkblog.com/the-mechanics-of-shared-context-why-your-llm-thread-needs-a-multi-model-auditor/

Suprmind is an agent-based platform that stress-tests your critical thinking. By running GPT, Claude, Gemini, Grok, and Perplexity in one thread, it surfaces model disagreements and highlights hallucinations