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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
MLP Post
0-MLP-SM
26808
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MODEL
0-mlp-sm
Source/SAE
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Explanations
the presence of the word "Jekyll"
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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Link
https://www.neuronpedia.org/pythia-70m-deduped/0-mlp-sm/26808?embed=true&embedexplanation=true&embedplots=true&embedsteer=true&embedactivations=true&embedlink=true&embedtest=true
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Neuron Alignment
Index
Value
% of L₁
474
+0.13
0.7%
399
+0.12
0.7%
307
+0.11
0.6%
Correlated Neurons
Index
P. Corr.
Cos Sim.
419
+0.13
0.01
399
+0.12
0.01
279
+0.11
0.01
Negative Logits
»¿
-2.20
Īĺ
-1.84
Ļ
-1.83
¿½
-1.78
¾
-1.76
¿
-1.73
½
-1.71
Ĺ
-1.64
»
-1.52
yline
-1.50
POSITIVE LOGITS
ieu
1.45
mong
1.44
fest
1.41
bench
1.40
ière
1.39
witz
1.39
iop
1.38
ingly
1.36
iterate
1.36
bank
1.35
Act
ivations
Density 0.015%
Stacked
Snippet
Full
Show Breaks
Hide Breaks
No Known Activations