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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
MLP Post
0-MLP-SM
26914
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MODEL
0-mlp-sm
Source/SAE
INDEX
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Explanations
words related to a specific and repeated theme or character in various contexts
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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<iframe src="https://www.neuronpedia.org/pythia-70m-deduped/0-mlp-sm/26914?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/26914?embed=true&embedexplanation=true&embedplots=true&embedsteer=true&embedactivations=true&embedlink=true&embedtest=true
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Neuron Alignment
Index
Value
% of L₁
164
+0.16
0.9%
348
+0.13
0.8%
488
+0.13
0.7%
Correlated Neurons
Index
P. Corr.
Cos Sim.
488
+0.16
0.03
348
+0.13
0.03
164
+0.13
0.02
Negative Logits
Ĥ
-1.68
»¿
-1.63
shore
-1.60
Ħ
-1.60
Ĺ
-1.57
ľ
-1.53
£
-1.52
´
-1.51
ij
-1.51
İ
-1.49
POSITIVE LOGITS
entin
1.60
ivo
1.57
eries
1.53
play
1.50
etry
1.47
Rptr
1.44
doi
1.43
Rptr
1.40
eval
1.40
itol
1.39
Act
ivations
Density 0.055%
Stacked
Snippet
Full
Show Breaks
Hide Breaks
No Known Activations