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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
Residuals
2-RES-SM
26968
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MODEL
2-res-sm
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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/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
74
+0.12
0.7%
460
+0.12
0.7%
448
+0.11
0.6%
Correlated Neurons
Index
P. Corr.
Cos Sim.
74
+0.12
0.02
131
+0.12
0.02
163
+0.11
0.01
Negative Logits
chance
-1.60
pite
-1.56
hores
-1.53
slash
-1.48
$).
-1.45
?).
-1.42
curs
-1.41
versus
-1.40
ptin
-1.38
deficit
-1.37
POSITIVE LOGITS
ŀ
2.23
°
2.21
¾
2.07
ĥ½
2.00
ł
1.95
·
1.93
¦
1.89
±
1.86
º
1.85
ĻĤ
1.85
Act
ivations
Density 0.088%
Stacked
Snippet
Full
Show Breaks
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No Known Activations