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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
Residuals
4-RES-SM
10287
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MODEL
4-res-sm
Source/SAE
INDEX
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Explanations
names of historical and biblical figures
oai_token-act-pair · gpt-4o-mini
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New Auto-Interp
AutoInterp Type
claude-4-5-haiku
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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
348
+0.30
1.8%
307
+0.15
0.9%
410
+0.15
0.9%
Correlated Neurons
Index
P. Corr.
Cos Sim.
71
+0.30
0.13
156
+0.15
0.16
410
+0.15
0.13
Negative Logits
ĥ½
-2.83
-2.81
↵
-2.81
↵
-2.81
-2.81
-2.81
<|outofrange|>
-2.81
↵
-2.81
↵↵
-2.81
č↵
-2.81
POSITIVE LOGITS
's
2.01
himself
1.85
’
1.80
stadt
1.76
Lect
1.70
Brothers
1.69
enos
1.67
VIII
1.67
ston
1.62
‘
1.58
Act
ivations
Density 1.759%
Stacked
Snippet
Full
Show Breaks
Hide Breaks
No Known Activations