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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
MLP Post
2-MLP-SM
24233
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MODEL
2-mlp-sm
Source/SAE
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Explanations
mathematical symbols and variables in equations
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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Neuron Alignment
Index
Value
% of L₁
23
+0.13
0.7%
271
+0.12
0.7%
381
+0.12
0.6%
Correlated Neurons
Index
P. Corr.
Cos Sim.
23
+0.13
0.02
82
+0.12
0.01
235
+0.12
0.03
Negative Logits
hoe
-1.63
Chern
-1.61
dor
-1.60
iewicz
-1.57
lei
-1.51
vier
-1.48
iscus
-1.48
ille
-1.47
?**
-1.47
googleapis
-1.46
POSITIVE LOGITS
ĻĤ
2.48
Ĩ
2.38
³
2.24
°
2.21
·
2.19
µ
2.11
ĥ
2.10
Ĥ¬
2.04
ĥ½
2.03
¯
1.99
Act
ivations
Density 0.362%
Stacked
Snippet
Full
Show Breaks
Hide Breaks
No Known Activations