Trip+: Benchmarking Agents in Personalized Interactive Travel Planning
Researchers introduce Trip+, a new benchmark for evaluating AI agents in travel planning that measures holistic performance across personalization, feasibility, and interaction quality. Testing 18 language models reveals a consistent gap where agents generate technically viable but exhausting itineraries that poorly match traveler preferences, highlighting limitations in how current LLMs handle complex, profile-conditioned decision-making over multiple turns.