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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
MLP Post
0-MLP-SM
29266
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MODEL
0-mlp-sm
Source/SAE
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Explanations
references to the genre of rap music
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
369
+0.16
0.9%
2
+0.16
0.9%
156
+0.10
0.6%
Correlated Neurons
Index
P. Corr.
Cos Sim.
111
+0.16
0.01
59
+0.16
0.01
2
+0.10
0.01
Negative Logits
ĥ½
-2.33
ĵ
-1.97
¯
-1.93
¿
-1.90
ĸ´
-1.90
Ń
-1.88
ķ
-1.82
Ŀ
-1.80
§
-1.74
ľĵ
-1.73
POSITIVE LOGITS
ist
1.95
hael
1.84
ifer
1.77
legend
1.76
uet
1.75
forge
1.57
ists
1.54
craft
1.52
dom
1.50
ue
1.48
Act
ivations
Density 0.018%
Stacked
Snippet
Full
Show Breaks
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No Known Activations