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Joseph Bloom · Feature Splitting for GPT2-Small
GPT2-Small
Residual Feature Splitting 24576
8-RES_FS24576-JB
511
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MODEL
8-res_fs24576-jb
Source/SAE
INDEX
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Explanations
certain numeric patterns
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/511?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/511?embed=true&embedexplanation=true&embedplots=true&embedsteer=true&embedactivations=true&embedlink=true&embedtest=true
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Neuron Alignment
Index
Value
% of L₁
447
+0.11
0.5%
626
+0.09
0.4%
219
+0.09
0.4%
Correlated Neurons
Index
P. Corr.
Cos Sim.
232
+0.11
0.04
659
+0.09
0.04
409
+0.09
0.03
Negative Logits
Slayer
-0.85
276
-0.74
275
-0.73
BU
-0.71
271
-0.70
277
-0.69
270
-0.68
GBT
-0.68
272
-0.67
STATS
-0.67
POSITIVE LOGITS
e
1.63
ey
1.38
ec
1.30
es
1.29
eh
1.29
eu
1.28
ean
1.26
eus
1.26
ef
1.25
ees
1.24
Act
ivations
Density 0.131%
Test
Steer
Stacked
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