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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
Residuals
4-RES-SM
14602
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MODEL
4-res-sm
Source/SAE
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Explanations
phrases expressing desire and intention
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
320
+0.18
1.0%
186
+0.13
0.7%
478
+0.12
0.7%
Correlated Neurons
Index
P. Corr.
Cos Sim.
320
+0.18
0.18
411
+0.13
0.14
188
+0.12
0.06
Negative Logits
Ħ
-3.15
İ
-2.68
Ĵ
-2.67
Ģ
-2.64
¡
-2.59
ij
-2.57
Ķ
-2.55
Ĭ
-2.47
¦
-2.43
¨
-2.36
POSITIVE LOGITS
eat
2.75
marry
2.62
quit
2.57
kill
2.54
shoot
2.40
lose
2.33
retal
2.33
sue
2.31
ditch
2.31
drink
2.30
Act
ivations
Density 1.604%
Stacked
Snippet
Full
Show Breaks
Hide Breaks
No Known Activations