A user prompted ChatGPT, Gemini, Claude, and Perplexity to give their honest, unfiltered opinions of each other. ChatGPT stated that Gemini is great for research due to Google’s deep knowledge well but sometimes prioritizes breadth over depth. It championed Claude as the most naturally flowing writer but noted it can be overly cautious or verbose. ChatGPT recognized Perplexity for blending search and AI in a trustworthy way due to inspectable sources, but said it falls short in handling long collaborative projects. ChatGPT concluded that rather than thinking of one as "the best," they are tools with different design priorities. When Gemini gave its opinions, it initially offered a breakdown of each one's core strengths, pitted them against each other for head-to-head comparisons, and noted when it’s best to use one for certain situations.