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Lennart Finke is a researcher affiliated with ETH Zurich.
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Lennart Finke as author
What GPT-oss Leaks About OpenAI's Training Data
fi-le.netanalysiscautiousSep 22, 2025
Analysis of OpenAI's open-weights GPT-oss model reveals that GPT-5 was trained on data from adult websites, discovered through examining token embedding norms and tokenizer composition.
“Author of "What GPT-oss Leaks About OpenAI's Training Data" in fi-le.net”
LLMsAI SafetyFoundation ModelsAI Research