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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
MLP Post
2-MLP-SM
23311
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MODEL
2-mlp-sm
Source/SAE
INDEX
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Explanations
negative sentiments or phrases related to challenges and struggles
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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Link
https://www.neuronpedia.org/pythia-70m-deduped/2-mlp-sm/23311?embed=true&embedexplanation=true&embedplots=true&embedsteer=true&embedactivations=true&embedlink=true&embedtest=true
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Neuron Alignment
Index
Value
% of L₁
139
+0.13
0.7%
498
+0.11
0.6%
153
+0.11
0.6%
Correlated Neurons
Index
P. Corr.
Cos Sim.
452
+0.13
0.03
420
+0.11
0.04
86
+0.11
0.03
Negative Logits
case
-1.58
assic
-1.55
case
-1.53
orned
-1.51
ropolis
-1.50
olev
-1.48
eral
-1.48
raiser
-1.47
onomy
-1.45
continued
-1.44
POSITIVE LOGITS
ļ
2.43
º
2.06
ĻĤ
2.04
ª
2.00
±
1.95
°
1.92
¹
1.90
¬
1.90
Ń
1.88
ŀ
1.83
Act
ivations
Density 0.216%
Stacked
Snippet
Full
Show Breaks
Hide Breaks
No Known Activations