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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
Residuals
2-RES-SM
13507
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MODEL
2-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/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
419
+0.20
1.2%
436
+0.15
0.9%
271
+0.15
0.9%
Correlated Neurons
Index
P. Corr.
Cos Sim.
271
+0.20
-0.01
78
+0.15
0.05
419
+0.15
0.07
Negative Logits
ľĵ
-2.77
¯
-2.01
¸
-1.99
±
-1.97
§
-1.94
ª
-1.92
ĩ
-1.82
¼
-1.82
Ļª
-1.79
Į
-1.78
POSITIVE LOGITS
à±ģ
1.80
igraphy
1.64
à¯į
1.55
glance
1.52
discovery
1.50
à¯
1.48
ி
1.47
à°¿
1.40
briefs
1.33
à±
1.33
Act
ivations
Density 2.403%
Stacked
Snippet
Full
Show Breaks
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No Known Activations