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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
MLP Post
2-MLP-SM
23024
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MODEL
2-mlp-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__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
371
+0.11
0.6%
102
+0.10
0.5%
107
+0.09
0.5%
Correlated Neurons
Index
P. Corr.
Cos Sim.
452
+0.11
0.05
102
+0.10
0.05
210
+0.09
0.02
Negative Logits
.);
-1.64
.).
-1.62
liv
-1.57
.),
-1.56
Simplify
-1.53
versed
-1.49
nerv
-1.47
pper
-1.43
ellants
-1.42
iph
-1.40
POSITIVE LOGITS
ī
3.45
ģ
3.09
Ĵ
3.06
ĭ
2.87
³
2.85
Ģ
2.79
·
2.78
ª
2.78
Ŀ
2.77
»
2.75
Act
ivations
Density 0.582%
Stacked
Snippet
Full
Show Breaks
Hide Breaks
No Known Activations