Search for the best AI travel planner and you will find lists that rank tools by interface polish rather than by the routes they produce. That is a problem for China, where a plausible-sounding itinerary can fall apart on the third day because two cities are 1,400 km apart, the train station named does not serve that line, or the plan quietly assumes you can book everything with a foreign card. The comparison below is not a ranking of brands. It is a repeatable test you can run in one evening on any planner, free or paid, before you let it shape a real trip.
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Why China breaks weak planners
China rewards planners that understand distance and rail. High-speed lines connect most major cities, but not every pair, and not from the station you expect. A planner that suggests Xi’an to Chengdu as a morning hop without checking which station and which departure window is guessing. The same applies to visa-free transit, which depends on your nationality, your entry and exit points, and your onward ticket, not on a generic “240 hours free” line. Treat any planner output as a draft to verify against official sources, starting with the China visa rules overview and the rail guidance in this China train travel guide.
Set up the same prompt for every tool
Fair comparison needs identical input. Write one prompt and paste it unchanged into each planner. Include: your nationality, arrival and departure cities, total nights, rough budget band, walking tolerance, and two fixed anchors such as a panda base visit or a river cruise. Ask for a day-by-day route with city-to-city transport, an estimated time for each leg, and a note on what must be booked in advance. Then ask one follow-up question to every tool, worded identically, such as “which legs should be booked first and why”. The follow-up reveals how the planner handles constraints, which matters more than the first answer.
Score route quality, not prose
Ignore how confident the writing sounds. Score four things. First, geography: are the cities in a sensible order, or does the plan zigzag back across the country? Second, transport realism: does it name a mode and a rough duration, and does that duration survive a check against a rail or flight search? Third, pacing: three cities in five nights is a red flag regardless of how it is phrased. Fourth, specificity: “visit the old town” is filler, while a named district with a reason is usable. A planner that produces a clean Chengdu, Lijiang and Kunming sequence is doing more work than one that lists ten cities with no travel time between them. Compare any Yunnan or Sichuan output against this 7-day Chengdu to Kunming route to see what a workable sequence looks like.
Run the prompt test on five planners
Pick five tools: one general chatbot, one dedicated itinerary app, one that markets itself on China, one budget-focused option, and one you already use for something else. Give each the same prompt. Time-box the whole exercise to about two hours. Keep a simple table with a row per tool and columns for geography, transport, pacing, specificity and whether it flagged anything that needs booking. Do not score tone, design or how many features the pricing page lists. At the end, one or two tools will stand out on route quality, and the rest will look interchangeable.
Check the claims you cannot verify from the sofa
Every planner will state things you cannot confirm without checking. Opening days, ticket windows, whether a site needs a passport at entry, and whether an app works on a foreign phone number all fall into this group. Do not accept a number from any planner. Instead, note what to verify and where. For connectivity, check the current guidance on eSIM versus a physical SIM, since this affects whether your maps and booking apps load at all. For entry rules, confirm your specific case rather than a summary. A planner that says “check the operator’s page” is more honest than one that invents a timetable.
Decide what the planner is actually for
The realistic conclusion after one evening is that no single tool should own your itinerary. Use the winner to generate a first draft and a rough order of cities. Then rebuild the transport legs yourself, confirm entry requirements from official sources, and keep the plan loose enough to absorb a delayed train or a closed site. The planner is a drafting assistant. You are still the editor, and the parts you verify yourself are the parts that will not surprise you on the ground.
Frequently asked questions
How long should the test take?
About two hours for five tools if you use one fixed prompt and resist rewriting it per tool. Most of the time goes on checking whether the stated travel times are plausible, not on reading the output.
Should I pay for a planner before testing it?
Use free tiers or trial access for the test. Pay only if the free output already shows better route quality than the alternatives, and only after you have confirmed the paid tier does not lock basic route editing behind a subscription.
Can an AI planner book trains or tickets for me?
Treat any such claim as unverified until you check the operator or platform directly. Booking rules for foreign passports, accepted payment methods and release windows change, so confirm the current process rather than relying on a planner’s description of it.
What if two planners score the same?
Break the tie on the follow-up question. The tool that explains which legs to book first, and why, is usually the one with better underlying logic, even if the first draft looked similar.
Is a planner useful for a short visa-free stopover?
It can suggest a city and a rough shape for the days, but the eligibility rules depend on your nationality and route. Verify those separately before building anything around a stopover.
Run the test once, keep the notes, and reuse the same prompt next time you plan a trip. The comparison that matters is not which planner has the best marketing, but which one produces a route you can check, adjust and actually travel.