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Joseph Bloom · Feature Splitting for GPT2-Small
GPT2-Small
Residual Feature Splitting 24576
8-RES_FS24576-JB
9259
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MODEL
8-res_fs24576-jb
Source/SAE
INDEX
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Explanations
mentions of politicians' names
oai_token-act-pair · gpt-3.5-turbo
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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/9259?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/9259?embed=true&embedexplanation=true&embedplots=true&embedsteer=true&embedactivations=true&embedlink=true&embedtest=true
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Neuron Alignment
Index
Value
% of L₁
620
+0.12
0.6%
133
+0.12
0.5%
592
+0.11
0.5%
Correlated Neurons
Index
P. Corr.
Cos Sim.
232
+0.12
0.03
133
+0.12
0.03
659
+0.11
0.03
Negative Logits
otes
-0.74
683
-0.72
ãĥĻ
-0.70
ococ
-0.69
679
-0.69
690
-0.69
hots
-0.68
pse
-0.68
<@
-0.66
Scarlet
-0.66
POSITIVE LOGITS
d
1.29
dor
1.21
D
1.19
dl
1.14
Ds
1.09
dt
1.08
ds
1.07
dL
1.06
dm
1.06
der
1.03
Act
ivations
Density 0.167%
Test
Steer
Stacked
Snippet
Full
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No Known Activations