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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
MLP Post
2-MLP-SM
23195
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MODEL
2-mlp-sm
Source/SAE
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Explanations
words related to emotions and sentiments
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/2-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.2.hook_mlp_out
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
436
+0.12
0.7%
265
+0.12
0.6%
511
+0.10
0.6%
Correlated Neurons
Index
P. Corr.
Cos Sim.
18
+0.12
0.01
23
+0.12
0.02
511
+0.10
0.02
Negative Logits
—.
-1.46
".
-1.44
ación
-1.44
().
-1.44
representing
-1.41
cción
-1.38
'.
-1.37
alive
-1.35
etc
-1.35
ña
-1.34
POSITIVE LOGITS
³
2.25
Ł
2.13
±
2.09
·
2.05
Ļ
1.98
Ļª
1.89
º
1.89
£
1.85
»¿
1.84
§
1.81
Act
ivations
Density 0.276%
Stacked
Snippet
Full
Show Breaks
Hide Breaks
No Known Activations