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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
MLP Post
0-MLP-SM
29842
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MODEL
0-mlp-sm
Source/SAE
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Explanations
instances of the word "Loading"
oai_token-act-pair · gpt-4o-mini
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AutoInterp Type
claude-4-5-haiku
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Top Features by Cosine Similarity
Configuration
ctigges/pythia-70m-deduped__mlp-sm_processed/0-mlp-sm
How To Load
Prompts (Dashboard)
32,768 prompts, 128 tokens each
Dataset (Dashboard)
monology/pile-uncopyrighted
Features
32,768
Data Type
torch.float32
Hook Name
blocks.0.hook_mlp_out
Hook Layer
0
Architecture
standard
Context Size
128
Dataset
EleutherAI/the_pile_deduplicated
Activation Function
relu
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<iframe src="https://www.neuronpedia.org/pythia-70m-deduped/0-mlp-sm/29842?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/pythia-70m-deduped/0-mlp-sm/29842?embed=true&embedexplanation=true&embedplots=true&embedsteer=true&embedactivations=true&embedlink=true&embedtest=true
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Neuron Alignment
Index
Value
% of L₁
29
+0.12
0.7%
361
+0.11
0.6%
376
+0.10
0.6%
Correlated Neurons
Index
P. Corr.
Cos Sim.
361
+0.12
0.01
90
+0.11
0.01
29
+0.10
0.01
Negative Logits
ī
-2.20
®
-2.13
·¸
-2.11
¿
-2.06
ĸ´
-2.05
ľ
-2.01
ĥ½
-1.93
¯
-1.89
§
-1.81
ĨĴ
-1.80
POSITIVE LOGITS
aho
1.84
cule
1.84
starter
1.73
ister
1.58
version
1.56
--
1.56
naire
1.48
er
1.48
offence
1.46
pone
1.44
Act
ivations
Density 0.010%
Stacked
Snippet
Full
Show Breaks
Hide Breaks
No Known Activations