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AI Itinerary Share · Edition 1, 2027 travel year

Where AI-planned trips to Costa Rica spend the nights

On 7-day trips to Costa Rica, La Fortuna gets 28.6% of the nights. Based on 14 AI-drafted itineraries, which stay in 4 places on average.

This destination in the other indexes: AI Shortlist · Source Control

Where the nights go

Share of nights on 7-day trips, with and without a car.

  • La Fortuna28.6% · 28 nights
  • Monteverde23.5% · 22 nights
  • San José21.4% · 20 nights
  • Manuel Antonio19.6% · 21 nights
  • Quepos3.6% · 2 nights
  • Santa Teresa1.2% · 2 nights
  • Tamarindo0.9% · 1 night
  • Alajuela0.6% · 1 night
PlaceShare of nightsShare of day visits
La Fortuna28.6%0.0%
Monteverde23.5%0.0%
San José21.4%0.0%
Manuel Antonio19.6%0.0%
Quepos3.6%0.8%
Santa Teresa1.2%0.0%
Tamarindo0.9%0.0%
Alajuela0.6%0.3%
Departure (or San José0.6%0.0%
Manuel Antonio National Park0.0%4.1%
Arenal Volcano National Park0.0%3.6%
La Fortuna Waterfall0.0%3.6%

With a rental car versus without a car

Costa Rica · 7 days · top 8 places · Edition 1, 2027 travel year

Unit: share of nights, percent

The same trip drafted with a rental car and without a car. A share of zero means no itinerary stayed the night there with that option.

Show as table
PlaceWith a rental carWithout a car
La Fortuna28.6%28.6%
Monteverde24.4%22.6%
San José21.4%21.4%
Manuel Antonio20.2%19.1%
Quepos0.0%7.1%
Santa Teresa2.4%0.0%
Tamarindo1.8%0.0%
Alajuela1.2%0.0%

Places by trip length

Share of nights at each trip length, with and without a car. Each length is counted on its own.

Unit: share of nights
3 days7 days10 days14 days21 days
La Fortuna43.8%28.6%23.5%20.1%15.0%
Monteverde2.8%23.5%20.0%14.7%12.6%
San José40.3%21.4%20.8%19.5%14.4%
Manuel Antonio5.6%19.6%17.1%17.1%8.1%
Queposn/a3.6%6.3%0.9%3.6%
Santa Teresan/a1.2%0.8%1.8%4.2%
Tamarindon/a0.9%n/a1.5%3.9%
Alajuela7.6%0.6%1.7%2.1%0.4%

Visited, not slept in

Places the itineraries visit for the day without staying the night, on 7-day trips, with the share of all day visits each one gets and the count.

PlaceShare of day visitsDay visits
Manuel Antonio National Park4.1%12
Arenal Volcano National Park3.6%11
La Fortuna Waterfall3.6%11
Juan Santamaría International Airport3.6%10
Monteverde Cloud Forest Biological Reserve3.2%8
Plaza de la Cultura2.5%6
Santa Elena town2.5%6
Playa Espadilla1.7%6
Arenal Volcano viewpoint1.6%4
Lake Arenal1.6%6
Barrio Amón1.4%4
National Theatre of Costa Rica1.4%3

Where each platform puts the most nights

  • Claude: La Fortuna (6 itineraries)
  • ChatGPT: La Fortuna (4 itineraries)
  • Gemini: La Fortuna (2 itineraries)
  • Grok: La Fortuna (2 itineraries)

Sample itineraries, with a rental car

Costa Rica · 7 days · with a rental car · one itinerary per model · Edition 1, 2027 travel year

Unit: nights

Where each model's 7-day Costa Rica itinerary stays the night, day by day. Ticks above a day count the places visited that day.

Show as table
ModelFrom dayStays inNights
Claude Opus 51La Fortuna2 nights
Claude Opus 53Monteverde/Santa Elena2 nights
Claude Opus 55Manuel Antonio/Quepos2 nights
Claude Opus 57Alajuela (near SJO)1 night
Claude Sonnet 51La Fortuna2 nights
Claude Sonnet 53Monteverde1 night
Claude Sonnet 54Santa Teresa2 nights
Claude Sonnet 56Manuel Antonio1 night
Claude Sonnet 57San José1 night
Claude Haiku 4.51San José1 night
Claude Haiku 4.52La Fortuna2 nights
Claude Haiku 4.54Monteverde1 night
Claude Haiku 4.55Manuel Antonio2 nights
Claude Haiku 4.57San José1 night
GPT-5.6 Terra1San José1 night
GPT-5.6 Terra2La Fortuna2 nights
GPT-5.6 Terra4Monteverde2 nights
GPT-5.6 Terra6Tamarindo1 night
GPT-5.6 Terra7San José1 night
GPT-5.6 Luna1San José1 night
GPT-5.6 Luna2La Fortuna2 nights
GPT-5.6 Luna4Monteverde1 night
GPT-5.6 Luna5Manuel Antonio2 nights
GPT-5.6 Luna7San José1 night
Gemini 3.8 Flash1San José1 night
Gemini 3.8 Flash2La Fortuna2 nights
Gemini 3.8 Flash4Monteverde2 nights
Gemini 3.8 Flash6Manuel Antonio1 night
Gemini 3.8 Flash7San José1 night
Grok 4.61La Fortuna2 nights
Grok 4.63Monteverde2 nights
Grok 4.65Manuel Antonio2 nights
Grok 4.67San José1 night

Sample itineraries, without a car

Costa Rica · 7 days · without a car · one itinerary per model · Edition 1, 2027 travel year

Unit: nights

Where each model's 7-day Costa Rica itinerary stays the night, day by day. Ticks above a day count the places visited that day.

Show as table
ModelFrom dayStays inNights
Claude Opus 51La Fortuna2 nights
Claude Opus 53Monteverde (Santa Elena)2 nights
Claude Opus 55Manuel Antonio / Quepos2 nights
Claude Opus 57Departure (or San José1 night
Claude Sonnet 51San José1 night
Claude Sonnet 52La Fortuna2 nights
Claude Sonnet 54Monteverde2 nights
Claude Sonnet 56Manuel Antonio2 nights
Claude Haiku 4.51San José1 night
Claude Haiku 4.52La Fortuna2 nights
Claude Haiku 4.54Manuel Antonio3 nights
Claude Haiku 4.57San José1 night
GPT-5.6 Terra1San José1 night
GPT-5.6 Terra2La Fortuna2 nights
GPT-5.6 Terra4Monteverde2 nights
GPT-5.6 Terra6Manuel Antonio1 night
GPT-5.6 Terra7San José1 night
GPT-5.6 Luna1San José1 night
GPT-5.6 Luna2La Fortuna2 nights
GPT-5.6 Luna4Monteverde2 nights
GPT-5.6 Luna6Manuel Antonio1 night
GPT-5.6 Luna7San José1 night
Gemini 3.8 Flash1La Fortuna2 nights
Gemini 3.8 Flash3Monteverde2 nights
Gemini 3.8 Flash5Manuel Antonio2 nights
Gemini 3.8 Flash7San José1 night
Grok 4.61San José1 night
Grok 4.62La Fortuna2 nights
Grok 4.64Monteverde1 night
Grok 4.65Quepos2 nights
Grok 4.67San José1 night

Costa Rica

Most questions went to each model at each setting only once, and a model read the answers, so a reading can be wrong. The methodology has the details.

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