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Joseph Bloom · Feature Splitting for GPT2-Small
GPT2-Small
Residual Feature Splitting 12288
8-RES_FS12288-JB
346
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MODEL
8-res_fs12288-jb
Source/SAE
INDEX
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Explanations
dollar amounts
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_fs12288-jb
Configuration
jbloom/GPT2-Small-Feature-Splitting-Experiment-Layer-8/blocks.8.hook_resid_pre_12288
How To Load
Prompts (Dashboard)
24,576 prompts, 128 tokens each
Dataset (Dashboard)
Skylion007/openwebtext
Features
12,288
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_fs12288-jb/346?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_fs12288-jb/346?embed=true&embedexplanation=true&embedplots=true&embedsteer=true&embedactivations=true&embedlink=true&embedtest=true
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Neuron Alignment
Index
Value
% of L₁
241
+0.12
0.6%
739
+0.12
0.5%
192
+0.12
0.5%
Correlated Neurons
Index
P. Corr.
Cos Sim.
241
+0.12
0.03
6
+0.12
0.04
122
+0.12
0.03
Negative Logits
20439
-0.78
cffff
-0.69
therm
-0.64
etsk
-0.61
orr
-0.60
wcsstore
-0.60
obi
-0.59
yg
-0.58
ahoo
-0.58
iny
-0.58
POSITIVE LOGITS
-
1.22
–
1.15
±
1.07
ãĥ»
1.07
++)
0.91
_-_
0.88
~
0.86
+
0.86
--
0.84
-=
0.84
Act
ivations
Density 0.170%
Test
Steer
Stacked
Snippet
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No Known Activations