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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
Residuals
2-RES-SM
13838
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MODEL
2-res-sm
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oai_token-act-pair · gpt-4o-mini
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claude-4-5-haiku
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Intrusion Detection
Top Features by Cosine Similarity
Configuration
ctigges/pythia-70m-deduped__res-sm_processed/2-res-sm
How To Load
Prompts (Dashboard)
32,768 prompts, 128 tokens each
Dataset (Dashboard)
monology/pile-uncopyrighted
Features
32,768
Data Type
torch.float32
Hook Name
blocks.2.hook_resid_post
Hook Layer
2
Architecture
standard
Context Size
128
Dataset
EleutherAI/the_pile_deduplicated
Activation Function
relu
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Neuron Alignment
Index
Value
% of L₁
97
+0.13
0.7%
508
+0.13
0.7%
460
+0.13
0.7%
Correlated Neurons
Index
P. Corr.
Cos Sim.
509
+0.13
0.00
440
+0.13
0.00
135
+0.13
0.00
Negative Logits
Ħ
-4.02
Ń
-4.01
ĩ
-3.97
µ
-3.88
«
-3.80
·
-3.73
ij
-3.72
¨
-3.69
IJ
-3.63
³
-3.63
POSITIVE LOGITS
rile
1.60
shire
1.45
cules
1.42
icer
1.41
',
1.40
pictures
1.40
cases
1.39
pans
1.38
'.
1.38
'),
1.38
Act
ivations
Density 0.000%
Stacked
Snippet
Full
Show Breaks
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No Known Activations