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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
MLP Post
0-MLP-SM
29859
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MODEL
0-mlp-sm
Source/SAE
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Explanations
the mention of the day of the week, specifically "Wednesday."
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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Neuron Alignment
Index
Value
% of L₁
226
+0.11
0.6%
346
+0.10
0.6%
35
+0.10
0.6%
Correlated Neurons
Index
P. Corr.
Cos Sim.
346
+0.11
0.08
226
+0.10
0.07
229
+0.10
0.06
Negative Logits
ŀ
-4.67
↵
-4.45
↵
-4.45
-4.45
↵
-4.45
↵
-4.45
-4.45
-4.45
↵
-4.45
-4.45
POSITIVE LOGITS
dream
1.95
ental
1.69
cloth
1.64
vre
1.63
gos
1.60
eve
1.59
evening
1.59
lop
1.58
time
1.57
birds
1.57
Act
ivations
Density 0.048%
Stacked
Snippet
Full
Show Breaks
Hide Breaks
No Known Activations