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Daan Henselmans

Karma: 150

Computational linguist, writer, AI dev. Currently running AI safety research.

Opus 4.6 Rea­son­ing Doesn’t Ver­bal­ize Align­ment Fak­ing, but Be­hav­ior Persists

Daan Henselmans, Arno Libert and LennardZ
9 Feb 2026 12:55 UTC
118 points
13 comments8 min readLW link

Pub­lished Safety Prompts May Create Eval­u­a­tion Blind Spots

Daan Henselmans and Arno Libert
30 Jan 2026 18:27 UTC
2 points
0 comments4 min readLW link

Minor Word­ing Changes Pro­duce Ma­jor Shifts in AI Behavior

Daan Henselmans and Derck Prinzhorn
26 Nov 2025 12:52 UTC
2 points
0 comments6 min readLW link

Low-Tem­per­a­ture Eval­u­a­tions Can Mask Crit­i­cal AI Behaviors

Daan Henselmans and Derck Prinzhorn
13 Nov 2025 20:12 UTC
8 points
1 comment4 min readLW link

Thin Align­ment Can’t Solve Thick Problems

Daan Henselmans27 Apr 2025 22:42 UTC
11 points
2 comments9 min readLW link

Align­ment Can Re­duce Perfor­mance on Sim­ple Eth­i­cal Questions

Daan Henselmans3 Feb 2025 19:35 UTC
16 points
7 comments6 min readLW link