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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
Residuals
4-RES-SM
9067
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MODEL
4-res-sm
Source/SAE
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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/4-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.4.hook_resid_post
Hook Layer
4
Architecture
standard
Context Size
128
Dataset
EleutherAI/the_pile_deduplicated
Activation Function
relu
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Neuron Alignment
Index
Value
% of L₁
248
+0.13
0.7%
371
+0.13
0.7%
477
+0.13
0.7%
Correlated Neurons
Index
P. Corr.
Cos Sim.
371
+0.13
0.05
248
+0.13
0.04
395
+0.13
0.04
Negative Logits
shire
-1.98
backs
-1.79
tre
-1.66
s
-1.58
worth
-1.56
bear
-1.53
meg
-1.52
affairs
-1.51
themselves
-1.50
doms
-1.44
POSITIVE LOGITS
·¸
3.33
³
3.15
»
3.13
µ
3.07
¬
3.07
·
3.04
´
2.93
¼
2.86
¹
2.84
¯
2.84
Act
ivations
Density 0.081%
Stacked
Snippet
Full
Show Breaks
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No Known Activations