The problem
Why generic AI gets Japan wrong
Type "plan a 14-day Japan trip" into any AI and you'll get a route that looks beautiful on paper and falls apart in reality. Tokyo to Kyoto to Hiroshima to Osaka to Nara — all in consecutive days, with no acknowledgement that each city requires a minimum of 2 days to see meaningfully, and that the Shinkansen isn't free.
Japan also punishes generic planning more than almost anywhere else. Neighbourhoods within Tokyo alone are 30–50 minutes apart by train. Cherry blossom season moves the entire country by 2 weeks depending on the year. A ryokan stay requires booking 3 months ahead. None of this makes it into a standard AI prompt.
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Shinkansen cost ignored. The JR Pass is not always the cheapest option. For some routes it is — for others, individual tickets are cheaper. AI never does this calculation.
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City-within-city blindness. Tokyo has 23 wards. Shibuya and Asakusa are both 'Tokyo' but are 45 minutes apart. AI groups them as if they're next door.
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Cherry blossom fantasy. AI schedules cherry blossom season as if the dates are fixed. They're not — they shift by 2–3 weeks year to year, and the best spots require early-morning timing.
The fix
The structured Japan prompt — copy and paste
This prompt forces the AI to plan with real constraints — geography, transport, pace, and local specificity — instead of defaulting to a highlights reel.
Act as an expert Japan travel consultant with deep local knowledge. Plan a 14-day Japan trip for a couple visiting for the first time.
HARD CONSTRAINTS — follow these exactly:
- Geography: Group each city into neighbourhoods. Never mix districts that are more than 30 min apart on the same half-day without a transit block.
- Cities: Tokyo (5 nights) → Hakone (1 night) → Kyoto (3 nights) → Osaka (2 nights) → day trip to Nara or Hiroshima. Adjust if needed but justify.
- Transport: Calculate whether JR Pass makes sense for this route. If yes, specify which pass type and where to activate. Include Shinkansen booking advice.
- Pace: Max 3 neighbourhood-based activities per day. One must be food-focused (name the specific market, ramen shop, or izakaya).
- Accommodation: One ryokan night minimum (suggest one in Hakone or Kyoto — name it). Flag booking lead time.
- Season logic: If travelling during cherry blossom (late March–April) or autumn leaves (mid-Nov), add specific viewing spots and timing advice per city.
FORMAT:
Day-by-day with city and neighbourhood label. Transit times between cities. One specific food pick per day (named). Advance booking flags.
💡 Pro tip: Add one line at the end with your specific situation — group size, travel dates, any constraints. The more specific, the better the output.
Going further
Where this prompt still falls short
This template is a strong starting point, but a static prompt can't account for your specific trip. Here are three scenarios where you'll still get a mediocre result:
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Golden Week (Apr 29–May 5)
Japan's busiest domestic travel week. Hotels book out months ahead, trains are packed, and popular spots have 2-hour queues. The itinerary needs a complete rethink.
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Dietary restrictions
Japan is notoriously difficult for vegetarians and impossible for vegans without planning. The food logic in the prompt needs to be rewritten entirely.
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Rural Japan ambitions
Visiting Tohoku, Shikoku, or the Japanese Alps requires a rental car and a completely different route structure that no generic prompt accounts for.
Zippy asks you the right questions first, then builds the prompt — and the full itinerary — around your exact situation.
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Answer 6 quick questions. Zippy builds the neighbourhood-by-neighbourhood plan — JR Pass logic, ryokan picks, cherry blossom timing.
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