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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
MLP Post
0-MLP-SM
29519
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MODEL
0-mlp-sm
Source/SAE
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Explanations
instances of the word "promoted."
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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<iframe src="https://www.neuronpedia.org/pythia-70m-deduped/0-mlp-sm/29519?embed=true&embedexplanation=true&embedplots=true&embedsteer=true&embedactivations=true&embedlink=true&embedtest=true" title="Neuronpedia" style="height: 300px; width: 540px;"></iframe>
Link
https://www.neuronpedia.org/pythia-70m-deduped/0-mlp-sm/29519?embed=true&embedexplanation=true&embedplots=true&embedsteer=true&embedactivations=true&embedlink=true&embedtest=true
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Neuron Alignment
Index
Value
% of L₁
437
+0.12
0.6%
286
+0.11
0.6%
38
+0.11
0.6%
Correlated Neurons
Index
P. Corr.
Cos Sim.
53
+0.12
0.28
438
+0.11
0.25
338
+0.11
0.24
Negative Logits
Ŀ
-4.06
¡
-3.84
Ĩ
-3.67
ĩ
-3.55
»¿
-3.54
Īĺ
-3.45
ģ
-3.44
º
-3.44
İ
-3.40
·¸
-3.39
POSITIVE LOGITS
irectional
1.76
lee
1.66
mine
1.60
ier
1.58
opf
1.55
icking
1.54
ulic
1.49
hole
1.48
ume
1.47
ering
1.46
Act
ivations
Density 4.874%
Stacked
Snippet
Full
Show Breaks
Hide Breaks
No Known Activations