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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
MLP Post
0-MLP-SM
28260
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MODEL
0-mlp-sm
Source/SAE
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Explanations
the pronoun "it"
oai_token-act-pair · gpt-4o-mini
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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
99
+0.15
0.8%
33
+0.13
0.7%
100
+0.12
0.6%
Correlated Neurons
Index
P. Corr.
Cos Sim.
124
+0.15
0.04
247
+0.13
0.04
237
+0.12
0.04
Negative Logits
exception
-1.58
ilde
-1.53
sung
-1.48
%(
-1.47
urally
-1.44
iale
-1.37
liest
-1.34
vocal
-1.34
basement
-1.33
ly
-1.33
POSITIVE LOGITS
ĥ½
3.33
¹
2.94
Ķ
2.81
į
2.60
ģ
2.56
ħ
2.55
²
2.52
°
2.52
Īĺ
2.47
¯
2.45
Act
ivations
Density 0.023%
Stacked
Snippet
Full
Show Breaks
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No Known Activations