Huaxiao Liu
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126
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Crypto×1AI×1NLP×1ML×1
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2026
Route to Rome Attack: Directing LLM Routers to Expensive Models via Adversarial Suffix Optimization
The paper introduces R$^2$A, an adversarial attack that uses suffix optimization to mislead black-box LLM routers into consistently selecting expensive, high-capability models.
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Papers
cs.CRcs.AIcs.CLRecentApr 16, 2026
Route to Rome Attack: Directing LLM Routers to Expensive Models via Adversarial Suffix Optimization
Haochun Tang, Yuliang Yan, Jiahua Lu, Huaxiao Liu +1 more
The paper introduces R$^2$A, an adversarial attack that uses suffix optimization to mislead black-box LLM routers into consistently selecting expensive, high-capability models.
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