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Benchmarks
Activation Reconstruction on Pythia 1.4b
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0.22
MSE
SAE
0.2164
0.2407
0.265
0.2893
May 10, 2026
MSE
EV
CS
Avg. Wasserstein Distance (x10^-3)
Activation Error
Updated 2d ago
Evaluation Results
Method
Method
Links
MSE
EV
CS
Avg. Wasserstein Distance (x10^-3)
Activation Error
SAE
Variant=SAE
2026.05
0.22
0.9784
0.9289
0.8
-
fmxcoder
Variant=fmxcoder (p =...
2026.05
0.22
0.9781
0.9275
10.8
-
fmxcoder
Variant=fmxcoder (p =...
2026.05
0.23
0.9777
0.9263
5.5
-
Crosscoder
Variant=Crosscoder
2026.05
0.31
0.9691
0.8976
0.2
-
SVD-LLM V1
Backbone=Pythia 1.4B,...
2026.05
-
-
-
-
1.93
SVD-LLM V2
Backbone=Pythia 1.4B,...
2026.05
-
-
-
-
1.79
Pure-bundle GBD (λ=0)
Backbone=Pythia 1.4B,...
2026.05
-
-
-
-
5.76
Basis-Sharing-core
Backbone=Pythia 1.4B,...
2026.05
-
-
-
-
7.95
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