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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
MLP Post
2-MLP-SM
24001
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MODEL
2-mlp-sm
Source/SAE
INDEX
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Explanations
instances of high levels of busyness or activity
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
396
+0.12
0.7%
8
+0.11
0.6%
84
+0.11
0.6%
Correlated Neurons
Index
P. Corr.
Cos Sim.
155
+0.12
0.08
8
+0.11
0.05
277
+0.11
0.07
Negative Logits
Ł
-1.82
½
-1.62
Ĵ
-1.61
į
-1.59
↵
-1.50
-1.50
↵
-1.50
-1.50
<|outofrange|>
-1.50
-1.50
POSITIVE LOGITS
unanimously
1.53
\":
1.48
**~
1.37
duck
1.31
MP
1.25
cil
1.23
$${\
1.23
solely
1.20
POL
1.20
insign
1.20
Act
ivations
Density 1.274%
Stacked
Snippet
Full
Show Breaks
Hide Breaks
No Known Activations