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Large Language ModelsMIT Technology Review AIPublished: Mar 25, 2026, 22:24 JST1 min read

AI agents are evolving from search assistants to autonomous executors that complete complex tasks like booking trips and processing purchases without human intervention.

AI agents are evolving from search assistants to autonomous executors that complete complex tasks like booking trips and processing purchases without human intervention.

3 Key Points

  1. Agentic AI shifts from providing information links to directly executing tasks based on user instructions and preferences

  2. Users can delegate multi-step activities like trip planning to AI agents that manage budgets, remember past preferences, and handle transaction details

  3. The key differentiator is execution capability—agents actively complete purchases and bookings rather than just presenting options for manual selection

  4. This represents a fundamental change in how AI assists with commerce, requiring agents to understand context, constraints, and individual user history

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