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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
MLP Post
2-MLP-SM
25904
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MODEL
2-mlp-sm
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Explanations
the word "here" in various contexts
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/2-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.2.hook_mlp_out
Hook Layer
2
Architecture
standard
Context Size
128
Dataset
EleutherAI/the_pile_deduplicated
Activation Function
relu
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https://www.neuronpedia.org/pythia-70m-deduped/2-mlp-sm/25904?embed=true&embedexplanation=true&embedplots=true&embedsteer=true&embedactivations=true&embedlink=true&embedtest=true
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Neuron Alignment
Index
Value
% of L₁
76
+0.18
1.0%
424
+0.14
0.8%
481
+0.13
0.7%
Correlated Neurons
Index
P. Corr.
Cos Sim.
76
+0.18
0.04
424
+0.14
0.03
184
+0.13
0.02
Negative Logits
↵
-3.66
<|outofrange|>
-3.66
↵
-3.66
↵ ↵
-3.66
<|outofrange|>
-3.66
-3.66
↵
-3.66
↵ ↵
-3.66
↵
-3.66
č↵
-3.66
POSITIVE LOGITS
]{.
1.60
tam
1.59
''
1.54
[@
1.46
mode
1.45
âĢĬ
1.42
vessel
1.38
$<$
1.37
downs
1.37
iscus
1.35
Act
ivations
Density 0.105%
Stacked
Snippet
Full
Show Raw Tokens
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Show Breaks
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No Known Activations