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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
Residuals
2-RES-SM
30624
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MODEL
2-res-sm
Source/SAE
INDEX
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Explanations
punctuation marks, particularly periods
oai_token-act-pair · gpt-4o-mini
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claude-4-5-haiku
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Top Features by Cosine Similarity
Configuration
ctigges/pythia-70m-deduped__res-sm_processed/2-res-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_resid_post
Hook Layer
2
Architecture
standard
Context Size
128
Dataset
EleutherAI/the_pile_deduplicated
Activation Function
relu
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<iframe src="https://www.neuronpedia.org/pythia-70m-deduped/2-res-sm/30624?embed=true&embedexplanation=true&embedplots=true&embedsteer=true&embedactivations=true&embedlink=true&embedtest=true" title="Neuronpedia" style="height: 300px; width: 540px;"></iframe>
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https://www.neuronpedia.org/pythia-70m-deduped/2-res-sm/30624?embed=true&embedexplanation=true&embedplots=true&embedsteer=true&embedactivations=true&embedlink=true&embedtest=true
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Neuron Alignment
Index
Value
% of L₁
203
+0.18
1.0%
258
+0.17
0.9%
369
+0.14
0.8%
Correlated Neurons
Index
P. Corr.
Cos Sim.
60
+0.18
0.04
203
+0.17
0.06
432
+0.14
0.04
Negative Logits
athi
-1.86
oelectric
-1.76
ceedings
-1.69
ÅĽci
-1.69
"/>
-1.59
fiction
-1.58
ert
-1.58
Å£i
-1.55
olta
-1.54
uchi
-1.51
POSITIVE LOGITS
Ĥ
2.58
§
2.33
ģ
2.22
©
2.14
¾
2.00
Į
1.97
ĥ½
1.96
¶
1.91
ľĵ
1.87
ħ
1.86
Act
ivations
Density 0.442%
Stacked
Snippet
Full
Show Breaks
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No Known Activations