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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
MLP Post
0-MLP-SM
27960
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MODEL
0-mlp-sm
Source/SAE
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Explanations
the word "it" in various contexts
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__mlp-sm_processed/0-mlp-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.0.hook_mlp_out
Hook Layer
0
Architecture
standard
Context Size
128
Dataset
EleutherAI/the_pile_deduplicated
Activation Function
relu
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Neuron Alignment
Index
Value
% of L₁
47
+0.12
0.6%
486
+0.12
0.6%
139
+0.10
0.6%
Correlated Neurons
Index
P. Corr.
Cos Sim.
352
+0.12
0.22
185
+0.12
0.18
165
+0.10
0.17
Negative Logits
rolet
-1.63
éri
-1.63
érie
-1.54
TV
-1.44
omet
-1.42
oho
-1.38
RS
-1.36
omes
-1.35
GN
-1.35
ert
-1.35
POSITIVE LOGITS
↵
1.66
↵ ↵
1.66
↵↵
1.66
1.66
↵
1.66
↵
1.66
↵
1.66
1.66
↵
1.66
1.66
Act
ivations
Density 0.396%
Stacked
Snippet
Full
Show Breaks
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No Known Activations