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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
MLP Post
0-MLP-SM
29698
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MODEL
0-mlp-sm
Source/SAE
INDEX
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Explanations
instances of the word "that"
oai_token-act-pair · gpt-4o-mini
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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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Neuron Alignment
Index
Value
% of L₁
452
+0.13
0.7%
26
+0.13
0.7%
491
+0.13
0.7%
Correlated Neurons
Index
P. Corr.
Cos Sim.
402
+0.13
0.18
86
+0.13
0.18
120
+0.13
0.18
Negative Logits
=”
-1.78
izza
-1.75
iano
-1.69
blogger
-1.67
icans
-1.66
Mario
-1.56
Ric
-1.51
="
-1.49
osa
-1.46
ios
-1.46
POSITIVE LOGITS
µ
1.94
IJ
1.86
·
1.69
¸
1.66
·¸
1.63
į
1.61
¯
1.55
ĥ½
1.54
Ķ
1.51
®
1.50
Act
ivations
Density 0.607%
Stacked
Snippet
Full
Show Breaks
Hide Breaks
No Known Activations