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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
Residuals
4-RES-SM
14892
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MODEL
4-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/4-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.4.hook_resid_post
Hook Layer
4
Architecture
standard
Context Size
128
Dataset
EleutherAI/the_pile_deduplicated
Activation Function
relu
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Neuron Alignment
Index
Value
% of L₁
156
+0.32
1.9%
78
+0.19
1.1%
400
+0.13
0.7%
Correlated Neurons
Index
P. Corr.
Cos Sim.
210
+0.32
0.04
17
+0.19
0.06
400
+0.13
0.03
Negative Logits
iciary
-1.60
ittal
-1.51
arily
-1.50
uary
-1.49
chemia
-1.48
ski
-1.46
mlin
-1.44
angular
-1.43
iti
-1.42
uates
-1.38
POSITIVE LOGITS
®
5.01
¼
4.92
ĻĤ
4.88
¬
4.87
¶
4.85
Ĥ¬
4.83
Ĥ
4.82
½
4.79
¸
4.72
»
4.66
Act
ivations
Density 0.327%
Stacked
Snippet
Full
Show Breaks
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No Known Activations