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Who's in the Weights of Large Language Models?

The Decoder · Jun 19, 2026 · 1 min read · Read original article →

Curated by the Inblix editorial team


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A website called In the Weights shows whether AI models know who you are by analyzing the ‘weights’ of large language models. The site queries multiple models, combines the results, and assigns a strength score. The creators, former OpenAI employees, built the site to highlight the limits of LLMs, such as hallucinating biographical details and typos affecting scores. Anyone who appears in Meta’s Llama, a model with a billion parameters, is considered highly relevant. By exploring this, we gain insight into how well AI models understand human identity. This raises questions about the accuracy of AI-generated information and the potential for biases in AI decision-making.

💡 Key Takeaways

  1. In the Weights analyzes the 'weights' of large language models to determine who appears in their knowledge.
  2. The site combines the results of multiple models and assigns a strength score to each person.
  3. The creators of the site highlight the limitations of LLMs, including hallucinations and the impact of typos on scores.

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