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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
MLP Post
0-MLP-SM
29379
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MODEL
0-mlp-sm
Source/SAE
INDEX
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Explanations
occurrences of the word "pencil" in various contexts
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__mlp-sm_processed/0-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.0.hook_mlp_out
Hook Layer
0
Architecture
standard
Context Size
128
Dataset
EleutherAI/the_pile_deduplicated
Activation Function
relu
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Neuron Alignment
Index
Value
% of L₁
429
+0.11
0.6%
489
+0.10
0.6%
441
+0.10
0.6%
Correlated Neurons
Index
P. Corr.
Cos Sim.
441
+0.11
0.01
112
+0.10
0.01
13
+0.10
0.01
Negative Logits
ĥ
-2.70
Īĺ
-2.58
Ĥ¬
-2.54
ĵ
-2.35
Ĥ
-2.27
Ħ
-2.25
¿½
-2.24
ľ
-2.21
Ĺ
-2.19
´
-2.19
POSITIVE LOGITS
heets
2.20
heet
2.12
pace
2.04
ource
1.95
borough
1.89
burg
1.86
pot
1.85
ibrary
1.81
forge
1.81
borg
1.79
Act
ivations
Density 0.014%
Stacked
Snippet
Full
Show Breaks
Hide Breaks
No Known Activations