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Joseph Bloom · Initial Gemma-2B-IT SAEs
Gemma-2B-IT
Residual Stream
12-RES-JB
464
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MODEL
12-res-jb
Source/SAE
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New Auto-Interp
AutoInterp Type
claude-4-5-haiku
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Top Features by Cosine Similarity
Configuration
jbloom/Gemma-2b-IT-Residual-Stream-SAEs/gemma_2b_it_blocks.12.hook_resid_post_16384
How To Load
Prompts (Dashboard)
24,576 prompts, 128 tokens each
Dataset (Dashboard)
HuggingFaceFW/fineweb
Features
16,384
Data Type
float32
Hook Name
blocks.12.hook_resid_post
Hook Layer
12
Architecture
standard
Context Size
1,024
Dataset
Skylion007/openwebtext
Activation Function
relu
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Default Test Text
IFrame
<iframe src=https://www.neuronpedia.org/gemma-2b-it/12-res-jb/464?embed=true&embedexplanation=true&embedplots=true&embedtest=true" title="Neuronpedia" style="height: 300px; width: 540px;"></iframe>
Link
https://www.neuronpedia.org/gemma-2b-it/12-res-jb/464?embed=true&embedexplanation=true&embedplots=true&embedtest=true
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Neuron Alignment
Index
Value
% of L₁
674
+0.35
1.4%
1741
+0.07
0.3%
381
+0.05
0.2%
Correlated Neurons
Index
P. Corr.
Cos Sim.
2
-0.35
0.00
0
-0.07
0.00
1
-0.05
0.00
Negative Logits
to
-1.40
.
-1.22
,
-1.18
in
-1.16
for
-1.15
-1.13
so
-1.12
as
-1.11
(
-1.10
and
-1.10
POSITIVE LOGITS
<bos>
10.34
ftu
2.54
fta
2.37
ftre
2.34
fatis
2.31
paff
2.28
fup
2.27
»>
2.22
tranf
2.21
dispen
2.19
Act
ivations
Density 0.000%
Stacked
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