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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
MLP Post
2-MLP-SM
23292
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MODEL
2-mlp-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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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
49
+0.12
0.7%
422
+0.12
0.7%
284
+0.11
0.6%
Correlated Neurons
Index
P. Corr.
Cos Sim.
286
+0.12
0.01
318
+0.12
0.00
378
+0.11
0.00
Negative Logits
ļ
-3.05
¾
-2.86
²
-2.85
¿½
-2.82
µ
-2.80
ĻĤ
-2.78
®
-2.78
½
-2.73
Į
-2.69
Ń
-2.68
POSITIVE LOGITS
because
1.58
etin
1.56
because
1.43
iii
1.43
imer
1.42
ough
1.42
jest
1.40
sometime
1.36
AFFIRMED
1.35
ocarcin
1.32
Act
ivations
Density 0.134%
Stacked
Snippet
Full
Show Breaks
Hide Breaks
No Known Activations