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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
MLP Post
0-MLP-SM
27279
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MODEL
0-mlp-sm
Source/SAE
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Explanations
specific mathematical notation or expressions
oai_token-act-pair · gpt-4o-mini
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New Auto-Interp
AutoInterp Type
claude-4-5-haiku
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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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Default Test Text
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<iframe src=https://www.neuronpedia.org/pythia-70m-deduped/0-mlp-sm/27279?embed=true&embedexplanation=true&embedplots=true&embedtest=true" title="Neuronpedia" style="height: 300px; width: 540px;"></iframe>
Link
https://www.neuronpedia.org/pythia-70m-deduped/0-mlp-sm/27279?embed=true&embedexplanation=true&embedplots=true&embedtest=true
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Neuron Alignment
Index
Value
% of L₁
170
+0.15
0.9%
94
+0.14
0.8%
230
+0.12
0.7%
Correlated Neurons
Index
P. Corr.
Cos Sim.
306
+0.15
0.01
106
+0.14
0.01
258
+0.12
0.01
Negative Logits
println
-1.75
ils
-1.70
ths
-1.67
tti
-1.64
letons
-1.58
ween
-1.52
*.*
-1.43
*(
-1.37
eme
-1.36
eds
-1.35
POSITIVE LOGITS
©
1.97
ively
1.88
Īĺ
1.78
¸
1.64
Ļª
1.61
ĨĴ
1.60
ģ
1.41
IJ
1.40
Ķ
1.38
¿½
1.37
Act
ivations
Density 0.002%
Stacked
Snippet
Full
Show Raw Tokens
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Show Breaks
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No Known Activations