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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
Residuals
2-RES-SM
11606
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MODEL
2-res-sm
Source/SAE
INDEX
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Explanations
combinations of punctuation marks and numbers
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__res-sm_processed/2-res-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_resid_post
Hook Layer
2
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/2-res-sm/11606?embed=true&embedexplanation=true&embedplots=true&embedtest=true" title="Neuronpedia" style="height: 300px; width: 540px;"></iframe>
Link
https://www.neuronpedia.org/pythia-70m-deduped/2-res-sm/11606?embed=true&embedexplanation=true&embedplots=true&embedtest=true
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Neuron Alignment
Index
Value
% of L₁
478
+0.22
1.3%
23
+0.15
0.8%
202
+0.12
0.7%
Correlated Neurons
Index
P. Corr.
Cos Sim.
128
+0.22
0.03
129
+0.15
0.01
8
+0.12
0.03
Negative Logits
µ
-2.42
Ń
-2.38
Ģ
-2.32
¼
-2.24
Ĵ
-2.22
¬
-2.22
£
-2.13
¥
-2.08
ł
-2.05
»¿
-1.95
POSITIVE LOGITS
whole
1.78
-)
1.73
charset
1.71
convers
1.67
else
1.65
other
1.63
cf
1.62
others
1.58
woke
1.55
also
1.53
Act
ivations
Density 0.222%
Stacked
Snippet
Full
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No Known Activations