Dmitrii Krasheninnikov

This research was completed for LASR Labs 2025 by Alex McKenzie, Urja Pawar, Phil Blandfort and William Bankes. The team was supervised by Dmitrii Krasheninnikov, with additional guidance from Ekdeep Singh Lubana and support from David Krueger. The full paper can be found here. TLDR – We train activation probes...

We thank Madeline Brumley, Joe Kwon, David Chanin and Itamar Pres for their helpful feedback. Introduction Controlling LLM behavior through directly intervening on internal activations is an appealing idea. Various methods for controlling LLM behavior through activation steering have been proposed. Most steering methods add a 'steering vector' (SV) to...