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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
Residuals
1-RES-SM
29728
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MODEL
1-res-sm
Source/SAE
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Explanations
references to programming-related concepts and syntax, particularly around regex and its usage
oai_token-act-pair · gpt-4o-mini
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claude-4-5-haiku
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Intrusion Detection
Top Features by Cosine Similarity
Configuration
ctigges/pythia-70m-deduped__res-sm_processed/1-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.1.hook_resid_post
Hook Layer
1
Architecture
standard
Context Size
128
Dataset
EleutherAI/the_pile_deduplicated
Activation Function
relu
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Neuron Alignment
Index
Value
% of L₁
289
+0.17
1.0%
439
+0.13
0.7%
4
+0.12
0.6%
Correlated Neurons
Index
P. Corr.
Cos Sim.
157
+0.17
0.05
17
+0.13
0.01
274
+0.12
0.04
Negative Logits
³
-2.19
Ĺ
-2.14
Ŀ
-2.06
ļ
-1.97
ŀ
-1.97
¯
-1.90
¨
-1.87
Ĥ
-1.87
£
-1.83
§
-1.82
POSITIVE LOGITS
regex
1.88
keywords
1.85
regex
1.76
slash
1.73
fasterxml
1.71
tags
1.69
comma
1.69
tabs
1.69
chars
1.69
spam
1.67
Act
ivations
Density 0.541%
Stacked
Snippet
Full
Show Breaks
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No Known Activations