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Under Peer Review · Sparse Autoencoders for Pythia-70M-Deduped
Pythia-70M-Deduped
Residuals
4-RES-SM
14929
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MODEL
4-res-sm
Source/SAE
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specific technical terms and quantitative details
oai_token-act-pair · gpt-4o-mini
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claude-4-5-haiku
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Intrusion Detection
Top Features by Cosine Similarity
Configuration
ctigges/pythia-70m-deduped__res-sm_processed/4-res-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.4.hook_resid_post
Hook Layer
4
Architecture
standard
Context Size
128
Dataset
EleutherAI/the_pile_deduplicated
Activation Function
relu
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Neuron Alignment
Index
Value
% of L₁
156
+0.16
0.9%
271
+0.14
0.7%
307
+0.12
0.7%
Correlated Neurons
Index
P. Corr.
Cos Sim.
219
+0.16
0.10
61
+0.14
0.08
420
+0.12
0.08
Negative Logits
.";
-2.98
.''
-2.65
."_
-2.63
**_
-2.61
";
-2.53
.""
-2.53
.'"
-2.33
';
-2.19
«
-2.18
`.
-2.17
POSITIVE LOGITS
)
4.63
),
4.19
):
4.09
)"
3.83
)."
3.73
)',
3.68
)",
3.66
)'
3.60
)&
3.55
!)
3.55
Act
ivations
Density 1.422%
Stacked
Snippet
Full
Show Breaks
Hide Breaks
No Known Activations