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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
MLP Post
2-MLP-SM
26461
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MODEL
2-mlp-sm
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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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https://www.neuronpedia.org/pythia-70m-deduped/2-mlp-sm/26461?embed=true&embedexplanation=true&embedplots=true&embedsteer=true&embedactivations=true&embedlink=true&embedtest=true
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Neuron Alignment
Index
Value
% of L₁
283
+0.14
0.8%
330
+0.13
0.7%
269
+0.12
0.7%
Correlated Neurons
Index
P. Corr.
Cos Sim.
283
+0.14
0.03
462
+0.13
0.02
330
+0.12
0.03
Negative Logits
esta
-1.66
%).
-1.56
$).
-1.53
'));
-1.52
'),
-1.50
lately
-1.41
'))
-1.40
since
-1.36
omb
-1.36
vo
-1.36
POSITIVE LOGITS
Ļª
2.35
©
2.29
ª
2.26
µ
2.10
IJ
2.03
¿
2.01
¨
1.99
¦
1.98
´
1.98
Ŀ
1.84
Act
ivations
Density 0.037%
Stacked
Snippet
Full
Show Raw Tokens
Show Formatted
Show Breaks
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No Known Activations