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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
MLP Post
0-MLP-SM
26474
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MODEL
0-mlp-sm
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Explanations
the word "bank" in 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/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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https://www.neuronpedia.org/pythia-70m-deduped/0-mlp-sm/26474?embed=true&embedexplanation=true&embedplots=true&embedsteer=true&embedactivations=true&embedlink=true&embedtest=true
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Neuron Alignment
Index
Value
% of L₁
411
+0.14
0.8%
217
+0.11
0.7%
252
+0.10
0.6%
Correlated Neurons
Index
P. Corr.
Cos Sim.
411
+0.14
0.01
189
+0.11
0.01
162
+0.10
0.01
Negative Logits
Ĥ
-2.38
ĥ½
-2.37
§
-2.15
Ĥ¬
-2.03
Ĩ
-1.90
ľ
-1.88
¶
-1.86
¥
-1.83
Ń
-1.80
¿½
-1.79
POSITIVE LOGITS
ruptcy
2.83
notes
1.92
able
1.84
ÅĽci
1.83
yard
1.82
rupt
1.81
elines
1.81
ers
1.79
etable
1.79
ed
1.77
Act
ivations
Density 0.010%
Stacked
Snippet
Full
Show Breaks
Hide Breaks
No Known Activations