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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
MLP Post
2-MLP-SM
23124
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MODEL
2-mlp-sm
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Explanations
phrases that express issues or problems related to various subjects
oai_token-act-pair · gpt-4o-mini
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claude-4-5-haiku
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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
403
+0.14
0.8%
170
+0.13
0.7%
243
+0.12
0.7%
Correlated Neurons
Index
P. Corr.
Cos Sim.
407
+0.14
0.09
362
+0.13
0.06
404
+0.12
0.08
Negative Logits
¬
-2.10
¤
-1.92
¥
-1.90
Ń
-1.81
²
-1.77
ĻĤ
-1.68
§
-1.68
Ĭ
-1.67
¨
-1.64
ij
-1.61
POSITIVE LOGITS
$.[]{
1.62
alone
1.62
’.
1.61
()).
1.50
Wales
1.49
rsquo
1.43
ês
1.42
.[]{
1.41
npmjs
1.41
zos
1.40
Act
ivations
Density 0.664%
Stacked
Snippet
Full
Show Breaks
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No Known Activations