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Continual Routing on MMLU

74.5AccuracyCONCUR
52.03657.86863.769.532Dec 10, 2025

Evaluation results

MethodLinks
CONCURSetting=Setting 1: Large models only, Relative training time=1.00x2025.1274.541.02
CONCURSetting=Setting 2: Large and small models, Relative training time=1.00x2025.1274.440.73
Best single strategySetting=Setting 1: Large models only2025.1273.744.45
Best single strategySetting=Setting 2: Large and small models2025.1273.744.45
RTRSetting=Setting 2: Large and small models, Relative training time=7.66x, Training Strategy=From scratch (FS)2025.1273.744.45
RTRSetting=Setting 2: Large and small models, Relative training time=3.89x, Training Strategy=Fine-tuned (75%)2025.1273.644.38
RTRSetting=Setting 2: Large and small models, Relative training time=4.96x, Training Strategy=Fine-tuned (100%)2025.1273.443.19
EmbedLLMSetting=Setting 1: Large models only, Relative training time=1.32x, Training Strategy=From scratch (FS)2025.1273.344.29
RTRSetting=Setting 1: Large models only, Relative training time=3.93x, Training Strategy=From scratch (FS)2025.1272.142.98
EmbedLLMSetting=Setting 2: Large and small models, Relative training time=3.08x, Training Strategy=From scratch (FS)2025.1272.133.68
RTRSetting=Setting 2: Large and small models, Relative training time=1.69x, Training Strategy=Fine-tuned (25%)2025.1271.342.27
EmbedLLMSetting=Setting 2: Large and small models, Relative training time=3.11x, Training Strategy=Fine-tuned (100%)2025.127032.59
EmbedLLMSetting=Setting 2: Large and small models, Relative training time=2.82x, Training Strategy=Fine-tuned (75%)2025.1269.532.69
EmbedLLMSetting=Setting 2: Large and small models, Relative training time=1.01x, Training Strategy=Fine-tuned (25%)2025.1268.934.45
RouteLLMSetting=Setting 1: Large models only, Relative training time=0.18x, Training Strategy=From scratch (FS)2025.1268.717.03
RTRSetting=Setting 2: Large and small models, Relative training time=2.84x, Training Strategy=Fine-tuned (50%)2025.1268.413.53
EmbedLLMSetting=Setting 2: Large and small models, Relative training time=1.92x, Training Strategy=Fine-tuned (50%)2025.1268.326.36
RouteLLMSetting=Setting 2: Large and small models, Relative training time=0.20x, Training Strategy=From scratch (FS)2025.1254.73.2
RouteLLMSetting=Setting 2: Large and small models, Relative training time=0.23x, Training Strategy=Fine-tuned (100%)2025.1254.63.28
RouteLLMSetting=Setting 2: Large and small models, Relative training time=0.14x, Training Strategy=Fine-tuned (25%)2025.1253.52.8
RouteLLMSetting=Setting 2: Large and small models, Relative training time=0.20x, Training Strategy=Fine-tuned (75%)2025.12532.91
RouteLLMSetting=Setting 2: Large and small models, Relative training time=0.17x, Training Strategy=Fine-tuned (50%)2025.1252.92.9