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Joseph Bloom · Feature Splitting for GPT2-Small
GPT2-Small
Residual Feature Splitting 24576
8-RES_FS24576-JB
8426
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MODEL
8-res_fs24576-jb
Source/SAE
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Explanations
numerical values preceded by the dollar sign
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
<iframe src="https://www.neuronpedia.org/gpt2-small/8-res_fs24576-jb/8426?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/8426?embed=true&embedexplanation=true&embedplots=true&embedsteer=true&embedactivations=true&embedlink=true&embedtest=true
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Neuron Alignment
Index
Value
% of L₁
314
+0.14
0.7%
627
+0.13
0.6%
430
+0.11
0.5%
Correlated Neurons
Index
P. Corr.
Cos Sim.
149
+0.14
0.03
604
+0.13
0.03
578
+0.11
0.03
Negative Logits
Tall
-0.73
PB
-0.72
Tre
-0.66
Ada
-0.65
quot
-0.65
fuzz
-0.64
Stand
-0.64
TAG
-0.63
scr
-0.63
Bend
-0.63
POSITIVE LOGITS
100
1.10
300
1.10
250
1.09
5
1.08
400
1.08
10
1.07
3
1.07
1600
1.07
4
1.06
6
1.06
Act
ivations
Density 0.051%
Test
Steer
Stacked
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