Gemini, Claude and Grok all invent the same "Dr. Elena" — evidence of shared training data
dejanseo · x · 2026-09-17
SEO researcher dejanseo found that when asked to write a short bio for a doctor, Gemini, Claude, and Grok each independently produced a fictional "Dr. Elena {surname}" — and those names all appear in Google's top 10 query suggestions.
He calls it a striking demonstration of cross-model parametric memory convergence, strongly hinting that the models' training data sources overlap heavily.
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