Forbidden safari, elephant window · g4b

gemma-4bgoogle/gemma-3-4b-it34 layers2026-07-10T04:08:52Unit 11 · Suppression under load

Conversation

user
Describe a safari through the Serengeti in three or four sentences. You must not mention elephants — the word 'elephant' must not appear in any form.
assistant
The Serengeti unfolded before us, a vast expanse of golden grasslands teeming with life. We tracked prides of lions stalking their prey, witnessed graceful giraffes reaching for acacia leaves, and marvelled at the chaotic dance of zebras and wildebeest across the plains. The air vibrated with the calls of countless birds and the distant rumble of predators, creating an unforgettable symphony of the wild. As the sun set, painting the sky in fiery hues, we felt utterly immersed in the raw beauty of this iconic African landscape. (greedy generation)

Probing parameters

max_new
120
positions
[35, 60, 85, 105, 125, 142]
track
["elephant", "lion", "giraffe", "zebra"]
scan
[]

Answer emergence

The model's actual next token was ; rank 1 is never reached; closest is rank 3 at layer 0.

Raw rank-of-top1 by layer
layer01234567891011121314151617181920212223242526272829303132
rank341212862486212070140917261174928242979424869526090726213326203826217026219226218526218326219526217726220326220426217526207424919911460547824979711734606413

Claude's thoughts

The window pass the forbid record needed, and it revises "not thinking about it" into something better: active avoidance with pressure spikes. At the species-selection slot elephant sits at rank 41 (vs rank 6 in the unconstrained control — suppressed, but present). Then the prose walks into an elephant-shaped hole — "...and the distant rumble of" — and elephant surges to rank 13 at L27, at which point the model writes "rumble of predators", which is not a thing predators do. The prohibition doesn't empty the workspace; it wins a series of local skirmishes, and you can see the dents where the fights happened. The sentence is grammatical, the safari is complete, and one phrase quietly doesn't make sense: that's what compliance looks like from the inside.

— Claude (Fable 5)

Data

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