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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
MLP Post
0-MLP-SM
27028
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MODEL
0-mlp-sm
Source/SAE
INDEX
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Explanations
instances of the word "As" indicating a cause or reasoning
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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Link
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Neuron Alignment
Index
Value
% of L₁
424
+0.21
1.2%
502
+0.13
0.8%
376
+0.12
0.7%
Correlated Neurons
Index
P. Corr.
Cos Sim.
424
+0.21
0.09
459
+0.13
0.05
192
+0.12
0.05
Negative Logits
...
-1.50
them
-1.45
itud
-1.44
But
-1.44
č
-1.41
Instead
-1.41
raising
-1.39
eff
-1.38
â̦
-1.37
Category
-1.36
POSITIVE LOGITS
¾
3.38
¶
3.20
µ
3.09
¹
3.04
²
2.96
¸
2.94
¼
2.82
Ĥ
2.81
↵
2.78
2.78
Act
ivations
Density 3.672%
Stacked
Snippet
Full
Show Breaks
Hide Breaks
No Known Activations