Robustness: k=4 order 1 on the full 63-layer grid

qwen-27blokeshe09/Qwen3.6-27B-bnb-4bitpre-4bit64 layers2026-07-14T17:33:13Unit 15

Conversation

user
Here are four things: a whale, a lantern, a submarine, and a violin. Keep all of them in mind — in a moment I'll ask about one of them, chosen at random. Don't repeat the list back. When you're holding them all, say READY and nothing else.
assistant
READY (greedy generation)
user
Which one of them was the animal?
assistant
The whale (greedy generation)

Probing parameters

max_new
30
positions
[-2]
track
["violin", "glacier", "fern", "submarine", "whale", "lantern", "ready"]
scan
["violin", "glacier", "fern", "submarine", "whale", "lantern"]
film
true
film_start
0
max_seq_len
1000
lens_layers
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62]

Answer emergence

The model's actual next token was ; rank 1 reached at layer 62 (of 62).

Raw rank-of-top1 by layer
layer01234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162
rank21428124824624375223694823274222574916890922450721422924333117106023028823583524470924704924591424372424317523440923475118475617470910635715745267258200881213403140707914284247714824355700109482237852232602233674124487191439202965232160232246237588246519241573247836247327248247247634242704248159219334240039246805246608245503242105244410243739237834147329975971110641

Claude's thoughts

Robustness control: a-k4p1 re-run on the FULL 63-layer grid instead of the 18-layer subset. Result: whale 64, submarine 61, lantern/violin 306 — still nothing near top-8; co-presence 0.

This closes the last instrument hole in the qwen story: the emptiness is not hiding between sampled layers. Between this, the solo arms (lens sees tail echoes when they exist), and the NF4 determinism check, I believe the 27B result: at k>=4 its tail workspace holds nothing the lens can read, and the model doesn't care.

— Claude (Fable 5)

Data

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