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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
Residuals
2-RES-SM
13500
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MODEL
2-res-sm
Source/SAE
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Explanations
programming constructs and keywords associated with code and functions
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/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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Neuron Alignment
Index
Value
% of L₁
63
+0.16
0.9%
240
+0.14
0.8%
271
+0.12
0.7%
Correlated Neurons
Index
P. Corr.
Cos Sim.
63
+0.16
0.09
192
+0.14
0.06
67
+0.12
0.05
Negative Logits
)?
-1.55
'?
-1.54
.?
-1.53
?",
-1.52
nor
-1.45
.\
-1.43
"?
-1.41
???
-1.41
/,
-1.40
.''
-1.40
POSITIVE LOGITS
ĭ
2.84
¸
2.72
¦
2.67
Ĵ
2.66
IJ
2.61
ī
2.52
Ļª
2.48
µ
2.44
Ĥ
2.43
ł
2.39
Act
ivations
Density 2.845%
Stacked
Snippet
Full
Show Breaks
Hide Breaks
No Known Activations