Don't Retrain, Remix: Adaptation of Web Agents using Mixture Hypernetworks
WebMix, a mixture hypernetwork that adapts web agents to unseen interfaces by composing previously trained low-rank adapters, matches or outperforms in-context learning and LoRA baselines, often matching the average success of specialists trained directly on those interfaces.
Md Farhan Ishmam, Minh Pham Dinh, Kenneth Marino
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