Planning a trip: LLM Itinerary

I asked two LLMs what itinerary I should use for my trip to London. I'd already decided on what attractions to visit, but I wanted some options on how make best use of our time in the capital. Below you'll see my prompt and the replies from Claude and ChatGPT. I used the desktop applications for both LLMs. Claude was using the Opus 5.5 model and ChatGPT was set to "extra high" thinking effort. The Prompt I am going to London, UK. I am travelling with my 7 year old. We arrive on Wednesday at noon at Marylebone Station. We leave at 3pm on Friday. We have a hotel in Southwark (15A Great Suffolk Street), where we have breakfast. We will be using the Tube to explore the city. Short walks are fine. We have tickets for the Natural History Museum on Thursday at 1pm. I want to visit the following places: * Garden at 120 for the views. * Hamleys to browse the largest toy shop. * Covent Garden to see the street performers. * Leicester Square for the Lego and M&Ms stores. * Millennium Bridge. The…