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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
MLP Post
2-MLP-SM
25948
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MODEL
2-mlp-sm
Source/SAE
INDEX
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Explanations
elements related to programming syntax, specifically function and class definitions
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/2-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.2.hook_mlp_out
Hook Layer
2
Architecture
standard
Context Size
128
Dataset
EleutherAI/the_pile_deduplicated
Activation Function
relu
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Neuron Alignment
Index
Value
% of L₁
156
+0.19
1.1%
23
+0.16
0.9%
92
+0.13
0.8%
Correlated Neurons
Index
P. Corr.
Cos Sim.
238
+0.19
0.02
405
+0.16
0.06
327
+0.13
0.08
Negative Logits
mitt
-1.61
holm
-1.59
orders
-1.52
recht
-1.49
umar
-1.44
ström
-1.41
heim
-1.38
endor
-1.35
dern
-1.32
etin
-1.31
POSITIVE LOGITS
ľĵ
2.20
¿
2.18
Īĺ
2.08
±
2.06
ĥ
1.95
Ĥ
1.95
Ĥ¬
1.94
¡
1.90
Ŀ
1.90
»
1.85
Act
ivations
Density 1.910%
Stacked
Snippet
Full
Show Raw Tokens
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No Known Activations