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Joseph Bloom · Feature Splitting for GPT2-Small
GPT2-Small
Residual Feature Splitting 24576
8-RES_FS24576-JB
23359
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MODEL
8-res_fs24576-jb
Source/SAE
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Explanations
specific programming syntax and structure within the text
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/23359?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/23359?embed=true&embedexplanation=true&embedplots=true&embedsteer=true&embedactivations=true&embedlink=true&embedtest=true
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Neuron Alignment
Index
Value
% of L₁
553
+0.11
0.5%
94
+0.11
0.5%
378
+0.10
0.4%
Correlated Neurons
Index
P. Corr.
Cos Sim.
684
+0.11
0.01
6
+0.11
0.02
553
+0.10
0.01
Negative Logits
Gra
-0.72
reb
-0.59
OA
-0.57
orsi
-0.57
GOODMAN
-0.56
orthy
-0.55
tackle
-0.54
agi
-0.54
unse
-0.54
NB
-0.53
POSITIVE LOGITS
"'
1.39
"
1.35
"-
1.32
"_
1.29
"\
1.27
"<
1.22
"[
1.21
"(
1.21
"...
1.21
"$
1.20
Act
ivations
Density 0.098%
Test
Steer
Stacked
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Full
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