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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
MLP Post
2-MLP-SM
23380
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MODEL
2-mlp-sm
Source/SAE
INDEX
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Explanations
the presence of the substring "pl" across various contexts
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
+0.17
0.9%
326
+0.14
0.8%
290
+0.11
0.6%
Correlated Neurons
Index
P. Corr.
Cos Sim.
326
+0.17
0.01
374
+0.14
0.01
8
+0.11
0.02
Negative Logits
hoe
-1.94
blr
-1.86
googleapis
-1.78
oxford
-1.67
comed
-1.62
npmjs
-1.60
adoc
-1.58
orems
-1.56
gom
-1.55
atham
-1.54
POSITIVE LOGITS
µ
2.05
°
2.04
´
1.98
Ń
1.88
ŀ
1.82
±
1.75
ł
1.74
Ĭ
1.73
ģ
1.64
¦
1.63
Act
ivations
Density 0.234%
Stacked
Snippet
Full
Show Breaks
Hide Breaks
No Known Activations