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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
Residuals
1-RES-SM
24618
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MODEL
1-res-sm
Source/SAE
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Explanations
specific structural components and syntax in programming or configuration languages
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
23
+0.14
0.8%
332
+0.13
0.7%
184
+0.12
0.7%
Correlated Neurons
Index
P. Corr.
Cos Sim.
0
+0.14
0.07
136
+0.13
-0.04
197
+0.12
0.04
Negative Logits
č↵
-3.00
<|outofrange|>
-3.00
↵
-3.00
↵
-3.00
↵
-3.00
-3.00
-3.00
č↵
-3.00
-3.00
↵ Âł
-3.00
POSITIVE LOGITS
>\
1.59
chel
1.58
{}{
1.58
Minor
1.43
}|^
1.42
>
1.42
}"
1.41
>();
1.40
including
1.40
>(
1.39
Act
ivations
Density 1.647%
Stacked
Snippet
Full
Show Breaks
Hide Breaks
No Known Activations