AI travel planners including ChatGPT, Claude, Gemini, Copilot, DeepSeek, Kayak on ChatGPT, Gondola, and Mindtrip are being used in 2026 to build vacation itineraries, but recent hands-on tests show they still require human verification before anyone books flights, hotels, restaurants, or activities. The short version is that the bots have become excellent at making travel planning feel easy and still unreliable at making travel itself frictionless. That distinction matters because a bad...