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Clément Dumas

Karma: 367

Mech interp researcher working with Neel Nanda and Julian Minder on model diffing as part of the MATS 7 extension.

https://​​butanium.github.io/​​

Ac­ti­va­tion Or­a­cles: Train­ing and Eval­u­at­ing LLMs as Gen­eral-Pur­pose Ac­ti­va­tion Explainers

Sam Marks, Adam Karvonen, James Chua, Subhash Kantamneni, Euan Ong, Julian Minder, Clément Dumas and Owain_Evans
18 Dec 2025 20:21 UTC
153 points
11 comments8 min readLW link
(arxiv.org)

Nar­row Fine­tun­ing Leaves Clearly Read­able Traces in Ac­ti­va­tion Differences

Julian Minder, Clément Dumas, Stewy Slocum and Neel Nanda
5 Sep 2025 12:11 UTC
53 points
2 comments7 min readLW link

What We Learned Try­ing to Diff Base and Chat Models (And Why It Mat­ters)

Clément Dumas, Julian Minder and Neel Nanda
30 Jun 2025 17:17 UTC
106 points
2 comments7 min readLW link

Find­ing the es­ti­mate of the value of a state in RL agents

Clément Dumas, Walter Laurito , KlaRo and Kaarel
3 Jun 2024 20:26 UTC
8 points
4 comments4 min readLW link

Aspira­tion-based Q-Learning

Clément Dumas and Jobst Heitzig
27 Oct 2023 14:42 UTC
38 points
5 comments11 min readLW link