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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
MLP Post
0-MLP-SM
27256
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MODEL
0-mlp-sm
Source/SAE
INDEX
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Explanations
instances of the word "old" across 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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Default Test Text
IFrame
<iframe src=https://www.neuronpedia.org/pythia-70m-deduped/0-mlp-sm/27256?embed=true&embedexplanation=true&embedplots=true&embedtest=true" title="Neuronpedia" style="height: 300px; width: 540px;"></iframe>
Link
https://www.neuronpedia.org/pythia-70m-deduped/0-mlp-sm/27256?embed=true&embedexplanation=true&embedplots=true&embedtest=true
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Neuron Alignment
Index
Value
% of L₁
99
+0.15
0.8%
253
+0.13
0.7%
376
+0.12
0.7%
Correlated Neurons
Index
P. Corr.
Cos Sim.
99
+0.15
0.05
272
+0.13
0.03
253
+0.12
0.04
Negative Logits
true
-1.49
ighter
-1.48
sq
-1.40
true
-1.39
hyd
-1.35
ights
-1.33
outer
-1.32
<_
-1.30
athon
-1.28
swe
-1.28
POSITIVE LOGITS
¿½
3.81
ł
3.46
ļ
3.33
¥
3.31
Īĺ
3.29
ģ
3.28
¡
3.27
£
3.26
¸
3.23
¼
3.22
Act
ivations
Density 1.770%
Stacked
Snippet
Full
Show Raw Tokens
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Show Breaks
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No Known Activations
