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Joseph Bloom · Feature Splitting for GPT2-Small
GPT2-Small
Residual Feature Splitting 24576
8-RES_FS24576-JB
24570
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MODEL
8-res_fs24576-jb
Source/SAE
INDEX
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Explanations
references to specific geographic locations and their associated events or entities
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
Comparing With
GPT2-SMALL @ 8-res_fs24576-jb
Configuration
jbloom/GPT2-Small-Feature-Splitting-Experiment-Layer-8/blocks.8.hook_resid_pre_24576
How To Load
Prompts (Dashboard)
24,576 prompts, 128 tokens each
Dataset (Dashboard)
Skylion007/openwebtext
Features
24,576
Data Type
torch.float32
Hook Point
blocks.8.hook_resid_pre
Architecture
standard
Context Size
128
Dataset
Skylion007/openwebtext
Hook Point Layer
8
Activation Function
relu
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<iframe src="https://www.neuronpedia.org/gpt2-small/8-res_fs24576-jb/24570?embed=true&embedexplanation=true&embedplots=true&embedsteer=true&embedactivations=true&embedlink=true&embedtest=true" title="Neuronpedia" style="height: 300px; width: 540px;"></iframe>
Link
https://www.neuronpedia.org/gpt2-small/8-res_fs24576-jb/24570?embed=true&embedexplanation=true&embedplots=true&embedsteer=true&embedactivations=true&embedlink=true&embedtest=true
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Neuron Alignment
Index
Value
% of L₁
48
+0.11
0.5%
219
+0.10
0.4%
388
+0.09
0.4%
Correlated Neurons
Index
P. Corr.
Cos Sim.
479
+0.11
0.03
6
+0.10
0.04
48
+0.09
0.03
Negative Logits
prus
-1.02
angel
-0.90
ija
-0.89
organ
-0.88
Columb
-0.87
ascus
-0.87
rug
-0.86
bitcoin
-0.85
sung
-0.85
silver
-0.85
POSITIVE LOGITS
M
1.26
C
1.17
N
1.15
R
1.14
S
1.13
L
1.13
G
1.11
Y
1.09
H
1.08
E
1.08
Act
ivations
Density 0.180%
Test
Steer
Stacked
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