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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
MLP Post
2-MLP-SM
22856
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MODEL
2-mlp-sm
Source/SAE
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Explanations
structure or elements in a document that indicate the presence of lists or items
oai_token-act-pair · gpt-4o-mini
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AutoInterp Type
claude-4-5-haiku
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Intrusion Detection
Top Features by Cosine Similarity
Configuration
ctigges/pythia-70m-deduped__mlp-sm_processed/2-mlp-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_mlp_out
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
156
+0.27
1.5%
261
+0.12
0.7%
226
+0.11
0.6%
Correlated Neurons
Index
P. Corr.
Cos Sim.
261
+0.27
0.01
50
+0.12
0.01
210
+0.11
0.00
Negative Logits
¡
-2.42
IJ
-2.35
Ł
-2.29
¨
-2.28
Ĺ
-2.17
Ļª
-2.12
Ĵ
-2.04
¦
-2.01
č↵
-2.01
-2.01
POSITIVE LOGITS
owitz
1.78
edly
1.64
ess
1.54
zza
1.48
emen
1.48
cum
1.46
elike
1.46
eding
1.44
uously
1.38
emis
1.37
Act
ivations
Density 0.122%
Stacked
Snippet
Full
Show Breaks
Hide Breaks
No Known Activations