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Jessica Rumbelow designs algorithms that allow humans to understand machine learning models.
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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.
“Identified similar glitch tokens in GPT-2 and GPT-3, including the famous 'SolidGoldMagikarp' token”
LLMsAI SafetyFoundation ModelsAI Research