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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
Residuals
2-RES-SM
28784
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MODEL
2-res-sm
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Explanations
syntax related to function definitions and method declarations in programming code
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/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
175
+0.12
0.7%
380
+0.12
0.7%
49
+0.12
0.7%
Correlated Neurons
Index
P. Corr.
Cos Sim.
175
+0.12
0.03
250
+0.12
0.04
128
+0.12
0.02
Negative Logits
heat
-1.46
blic
-1.45
geometric
-1.43
'</
-1.39
blast
-1.38
dot
-1.34
riber
-1.33
asy
-1.30
column
-1.27
orms
-1.26
POSITIVE LOGITS
ij
2.39
ĻĤ
2.38
¤
2.25
Ģ
2.18
ĩ
2.12
ľ
1.96
Ŀ
1.93
ĭ
1.93
¼
1.89
¹
1.89
Act
ivations
Density 0.244%
Stacked
Snippet
Full
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No Known Activations