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Joseph Bloom · Feature Splitting for GPT2-Small
GPT2-Small
Residual Feature Splitting 24576
8-RES_FS24576-JB
23485
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MODEL
8-res_fs24576-jb
Source/SAE
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Explanations
words indicating completion or finality
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/23485?embed=true&embedexplanation=true&embedplots=true&embedsteer=true&embedactivations=true&embedlink=true&embedtest=true" title="Neuronpedia" style="height: 300px; width: 540px;"></iframe>
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https://www.neuronpedia.org/gpt2-small/8-res_fs24576-jb/23485?embed=true&embedexplanation=true&embedplots=true&embedsteer=true&embedactivations=true&embedlink=true&embedtest=true
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Neuron Alignment
Index
Value
% of L₁
373
+0.11
0.6%
24
+0.10
0.5%
408
+0.10
0.5%
Correlated Neurons
Index
P. Corr.
Cos Sim.
221
+0.11
0.03
373
+0.10
-0.05
699
+0.10
0.02
Negative Logits
lvl
-0.58
ãĥ«
-0.57
obal
-0.54
aux
-0.54
alky
-0.53
hops
-0.52
ols
-0.51
urs
-0.50
ãĥİ
-0.49
KING
-0.49
POSITIVE LOGITS
.[
1.00
!.
0.95
.—
0.93
;
0.93
,—
0.92
!
0.91
!,
0.90
.(
0.90
.
0.88
;)
0.88
Act
ivations
Density 0.641%
Test
Steer
Stacked
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