GPT-5.3-Codex vs GPT-5.5 for travel planning

Great plan. Here are the **exact questions** to ask for each stop.

## 1) York Minster — questions to ask
1. “Which entrance is step-free for a self-propelled wheelchair, and what postcode/what3words should I use for that entrance?”
2. “On the standard visitor route, are there any unavoidable steps, and if so exactly where?”
3. “Can I reach the main floor, Undercroft museum, shop, and café without stairs?”
4. “Is there an accessible toilet on-site, and does it require a RADAR key?”
5. “Do you offer a free companion/carer ticket, and how do I bo…

## Most at risk of disappointing: **York City Walls**
For a self-propelled wheelchair user, the **city walls** are the item most likely to disappoint because access often involves flights of steps, narrow/uneven wall-walk sections, and limited step-free options. Put this first while energy and patience are highest — and be ready to switch to a ground-level “walls and bars” route if the wall-walk itself is not feasible.

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## What to ask before booking / committing

### 1) York Minster
Ask:  
**“On the date and time we plan to visit, is there…