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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
Residuals
4-RES-SM
9044
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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
477
+0.13
0.7%
451
+0.13
0.7%
21
+0.13
0.7%
Correlated Neurons
Index
P. Corr.
Cos Sim.
477
+0.13
0.06
458
+0.13
0.03
129
+0.13
0.01
Negative Logits
¿½
-2.59
ĭ
-2.57
Ĥ
-2.56
↵↵
-2.50
↵↵
-2.50
↵
-2.50
-2.50
↵
-2.50
↵
-2.50
↵
-2.50
POSITIVE LOGITS
04
2.48
05
2.10
06
2.09
07
2.08
aged
2.07
042
2.03
092
2.01
62
2.00
03
1.98
08
1.97
Act
ivations
Density 0.269%
Stacked
Snippet
Full
Show Breaks
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No Known Activations