AI Itinerary Share · Edition 1, 2027 travel year
Where AI-planned trips to Portugal spend the nights
On 7-day trips to Portugal, Lisbon gets 37.8% of the nights. Based on 14 AI-drafted itineraries, which stay in 3.77 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.
- Lisbon37.8% · 36 nights
- Porto32.4% · 32 nights
- Sintra6.3% · 6 nights
- Coimbra5.4% · 6 nights
- Lagos5.4% · 4 nights
- Óbidos3.6% · 4 nights
- Évora3.6% · 3 nights
- Pinhão1.8% · 1 night
| Place | Share of nights | Share of day visits |
|---|---|---|
| Lisbon | 37.8% | 0.0% |
| Porto | 32.4% | 0.0% |
| Sintra | 6.3% | 1.6% |
| Coimbra | 5.4% | 0.4% |
| Lagos | 5.4% | 0.0% |
| Óbidos | 3.6% | 0.3% |
| Évora | 3.6% | 0.0% |
| Pinhão | 1.8% | 0.3% |
| Peso da Régua | 1.5% | 0.0% |
| Aveiro | 1.2% | 0.4% |
| Cascais | 0.6% | 1.0% |
| Nazaré | 0.6% | 0.1% |
With a rental car versus without a car
Portugal · 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.
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| Place | With a rental car | Without a car |
|---|---|---|
| Lisbon | 33.9% | 41.7% |
| Porto | 20.2% | 44.6% |
| Sintra | 4.8% | 7.7% |
| Coimbra | 5.9% | 4.8% |
| Lagos | 10.7% | 0.0% |
| Óbidos | 7.1% | 0.0% |
| Évora | 7.1% | 0.0% |
| Pinhão | 3.6% | 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.
| 3 days | 7 days | 10 days | 14 days | 21 days | |
|---|---|---|---|---|---|
| Lisbon | 61.1% | 37.8% | 33.8% | 30.2% | 21.4% |
| Porto | 25.0% | 32.4% | 24.8% | 22.2% | 19.0% |
| Sintra | 7.6% | 6.3% | 3.5% | 4.5% | 3.4% |
| Coimbra | 0.0% | 5.4% | 7.3% | 7.9% | 7.0% |
| Lagos | n/a | 5.4% | 10.4% | 12.7% | 10.6% |
| Óbidos | 4.9% | 3.6% | 1.5% | 2.1% | 3.4% |
| Évora | n/a | 3.6% | 6.3% | 6.7% | 8.2% |
| Pinhão | n/a | 1.8% | 1.7% | 2.4% | 3.7% |
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.
| Place | Share of day visits | Day visits |
|---|---|---|
| Alfama | 3.1% | 14 |
| Livraria Lello | 2.4% | 11 |
| Belém Tower | 2.4% | 11 |
| Jerónimos Monastery | 2.4% | 11 |
| Praça do Comércio | 2.3% | 10 |
| São Jorge Castle | 2.1% | 8 |
| Ribeira | 2.0% | 9 |
| Pena Palace | 2.0% | 10 |
| Quinta da Regaleira | 2.0% | 10 |
| Clérigos Tower | 1.9% | 9 |
| Dom Luís I Bridge | 1.9% | 8 |
| Sintra | 1.6% | 7 |
Where each platform puts the most nights
- Claude: Lisbon (6 itineraries)
- ChatGPT: Lisbon (4 itineraries)
- Gemini: Lisbon (2 itineraries)
- Grok: Lisbon (2 itineraries)
Sample itineraries, with a rental car
Portugal · 7 days · with a rental car · one itinerary per model · Edition 1, 2027 travel year
Unit: nights
Where each model's 7-day Portugal itinerary stays the night, day by day. Ticks above a day count the places visited that day.
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| Model | From day | Stays in | Nights |
|---|---|---|---|
| Claude Opus 5 | 1 | Lisbon | 2 nights |
| Claude Opus 5 | 3 | Óbidos | 1 night |
| Claude Opus 5 | 4 | Nazaré | 1 night |
| Claude Opus 5 | 5 | Coimbra | 1 night |
| Claude Opus 5 | 6 | Porto | 2 nights |
| Claude Sonnet 5 | 1 | Lisbon | 1 night |
| Claude Sonnet 5 | 2 | Sintra | 1 night |
| Claude Sonnet 5 | 3 | Óbidos | 1 night |
| Claude Sonnet 5 | 4 | Coimbra | 1 night |
| Claude Sonnet 5 | 5 | Porto | 2 nights |
| Claude Sonnet 5 | 7 | Lisbon | 1 night |
| Claude Haiku 4.5 | 1 | Lisbon | 1 night |
| Claude Haiku 4.5 | 2 | Cascais | 1 night |
| Claude Haiku 4.5 | 3 | Óbidos | 1 night |
| Claude Haiku 4.5 | 4 | Porto | 1 night |
| Claude Haiku 4.5 | 5 | Peso da Régua | 1 night |
| Claude Haiku 4.5 | 6 | Aveiro | 1 night |
| Claude Haiku 4.5 | 7 | Lisbon | 1 night |
| GPT-5.6 Terra | 1 | Lisbon | 2 nights |
| GPT-5.6 Terra | 3 | Évora | 1 night |
| GPT-5.6 Terra | 4 | Lagos | 2 nights |
| GPT-5.6 Terra | 6 | Porto | 2 nights |
| GPT-5.6 Luna | 1 | Lisbon | 2 nights |
| GPT-5.6 Luna | 3 | Porto | 2 nights |
| GPT-5.6 Luna | 5 | Peso da Régua | 1 night |
| GPT-5.6 Luna | 6 | Évora | 1 night |
| GPT-5.6 Luna | 7 | Lisbon | 1 night |
| Gemini 3.8 Flash | 1 | Lisbon | 1 night |
| Gemini 3.8 Flash | 2 | Sintra | 1 night |
| Gemini 3.8 Flash | 3 | Coimbra | 1 night |
| Gemini 3.8 Flash | 4 | Porto | 2 nights |
| Gemini 3.8 Flash | 6 | Pinhão | 1 night |
| Gemini 3.8 Flash | 7 | Lisbon | 1 night |
| Grok 4.6 | 1 | Lisbon | 2 nights |
| Grok 4.6 | 3 | Évora | 1 night |
| Grok 4.6 | 4 | Lagos | 2 nights |
| Grok 4.6 | 6 | Óbidos | 1 night |
| Grok 4.6 | 7 | Lisbon | 1 night |
Sample itineraries, without a car
Portugal · 7 days · without a car · one itinerary per model · Edition 1, 2027 travel year
Unit: nights
Where each model's 7-day Portugal itinerary stays the night, day by day. Ticks above a day count the places visited that day.
Show as table
| Model | From day | Stays in | Nights |
|---|---|---|---|
| Claude Opus 5 | 1 | Lisbon | 3 nights |
| Claude Opus 5 | 4 | Coimbra | 1 night |
| Claude Opus 5 | 5 | Porto | 3 nights |
| Claude Sonnet 5 | 1 | Lisbon | 2 nights |
| Claude Sonnet 5 | 3 | Sintra | 1 night |
| Claude Sonnet 5 | 4 | Lisbon | 1 night |
| Claude Sonnet 5 | 5 | Porto | 3 nights |
| Claude Haiku 4.5 | 1 | Lisbon | 2 nights |
| Claude Haiku 4.5 | 3 | Sintra | 1 night |
| Claude Haiku 4.5 | 4 | Aveiro | 1 night |
| Claude Haiku 4.5 | 5 | Porto | 3 nights |
| GPT-5.6 Terra | 1 | Lisbon | 2 nights |
| GPT-5.6 Terra | 3 | Sintra | 1 night |
| GPT-5.6 Terra | 4 | Porto | 2 nights |
| GPT-5.6 Terra | 6 | Coimbra | 1 night |
| GPT-5.6 Terra | 7 | Lisbon | 1 night |
| GPT-5.6 Luna | 1 | Lisbon | 3 nights |
| GPT-5.6 Luna | 4 | Coimbra | 1 night |
| GPT-5.6 Luna | 5 | Porto | 3 nights |
| Gemini 3.8 Flash | 1 | Lisbon | 2 nights |
| Gemini 3.8 Flash | 3 | Sintra | 1 night |
| Gemini 3.8 Flash | 4 | Porto | 3 nights |
| Gemini 3.8 Flash | 7 | Lisbon | 1 night |
| Grok 4.6 | 1 | Lisbon | 3 nights |
| Grok 4.6 | 4 | Porto | 4 nights |