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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
Residuals
2-RES-SM
28760
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MODEL
2-res-sm
Source/SAE
INDEX
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Explanations
the occurrence of thoughts or contemplative states
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__res-sm_processed/2-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.2.hook_resid_post
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
13
+0.12
0.7%
115
+0.12
0.7%
348
+0.11
0.6%
Correlated Neurons
Index
P. Corr.
Cos Sim.
15
+0.12
0.03
471
+0.12
0.02
115
+0.11
0.02
Negative Logits
ĭ
-2.22
¨
-2.20
ľĵ
-2.18
ĥ
-2.14
ľ
-1.94
·¸
-1.94
·
-1.92
Ģ
-1.92
ĻĤ
-1.90
ķ
-1.83
POSITIVE LOGITS
aloud
1.98
about
1.88
fully
1.84
lessly
1.84
about
1.70
fulness
1.66
goodbye
1.63
About
1.60
ful
1.56
prov
1.49
Act
ivations
Density 0.163%
Stacked
Snippet
Full
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No Known Activations