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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
MLP Post
0-MLP-SM
29703
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MODEL
0-mlp-sm
Source/SAE
INDEX
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Explanations
occurrences of the character '`' and the specific phrase "in an" at the end of sentences
oai_token-act-pair · gpt-4o-mini
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New Auto-Interp
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/29703?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/29703?embed=true&embedexplanation=true&embedplots=true&embedsteer=true&embedactivations=true&embedlink=true&embedtest=true
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Neuron Alignment
Index
Value
% of L₁
23
+0.21
1.2%
258
+0.20
1.2%
478
+0.19
1.1%
Correlated Neurons
Index
P. Corr.
Cos Sim.
258
+0.21
0.01
307
+0.20
0.01
220
+0.19
0.01
Negative Logits
ahan
-1.81
iat
-1.74
nikov
-1.73
film
-1.72
esy
-1.70
cad
-1.63
]];
-1.60
inski
-1.59
oj
-1.58
ius
-1.58
POSITIVE LOGITS
ĥ½
2.69
Ķ
2.62
Ī
2.52
ĻĤ
2.49
Ĵ
2.48
Į
2.47
į
2.33
Ŀ
2.03
ľ
2.03
ĨĴ
2.01
Act
ivations
Density 0.025%
Stacked
Snippet
Full
Show Breaks
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No Known Activations