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LLM Routing on RouterArena (Evaluation set)
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80.72
Arena S Score
Oracle
69.3736
72.3193
75.265
78.2107
May 29, 2026
Arena S Score
Top Arm Percentage
Updated 2d ago
Evaluation Results
Method
Method
Links
Arena S Score
Top Arm Percentage
Oracle
# arms used=10
2026.05
80.72
39.4
Full-info batch fit (tuned)
# arms used=10
2026.05
74.05
31.8
Full-info batch fit (default λ)
# arms used=10
2026.05
73.54
26
OrcaRouter (Submission)
# arms used=10
2026.05
72.08
19.7
RR+UCB
# arms used=10
2026.05
70.74
18.2
ϵ-greedy LinUCB
# arms used=10
2026.05
70.71
20
Always-DSC
# arms used=1
2026.05
70.31
100
LinTS (v=0.3)
# arms used=≈2
2026.05
70
72.8
Vanilla LinUCB (α=1)
# arms used=10
2026.05
69.81
15.5
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