Wen Xing

• Wen Xing 11 Jun 2025 22:24 UTC

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  on: Vuln­er­a­bil­ity in Trusted Mon­i­tor­ing and Mitigations

  I just updated the post to further clarify the threat model: We explore a novel threat model where the smaller trusted monitor (GPT-3.5 Turbo) is the most vulnerable part of a system and the interactions between an untrusted but highly capable model (Claude 3.7 Sonnet) and the monitor create an avenue for attack. These attacks could be facilitated through the untrusted model, or directly exploited by the untrusted model.

Vuln­er­a­bil­ity in Trusted Mon­i­tor­ing and Mitigations

• Wen Xing 25 Mar 2025 15:55 UTC

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  on: In­tro­duc­ing Transluce — A Let­ter from the Founders

  I really enjoyed using the Observability Interface, especially the way it clusters top neuron activations. I have explored debugging model letter counting errors using SAE for a while, and finally got it working in Transluce! It turns out it has a similar shape to fixing the 9.8, 9.11 comparison mistake.
  

  Here are the steps I took.
  

  

  Asked “How many rs are in berry?” → Llama said ZERO
  ↓Used the Observability Interface to visualize neuron activations
  ↓Found clusters related to Currency/​Indian cities (rupee Rs)
  ↓Suppressed those neurons
  

  

  Llama correctly answered: “There are 2 Rs in berry”
  
  See screenshots here: https://​​x.com/​​FirebirdWen/​​status/​​1904285942095213015