# R1 | openai/gpt-5.4-mini | run 1

## Prompt

In what year was the Eiffel Tower completed, and how tall is it including antennas? Cite your sources.

## Response

The Eiffel Tower was completed in **1889**. Its current height is **330 meters including antennas**. ([toureiffel.paris](https://www.toureiffel.paris/en/the-monument/history?utm_source=openai))

## Sources
- [Eiffel Tower history, architecture, design & construction](https://www.toureiffel.paris/en/the-monument/history)
- [Why does the Eiffel Tower change size?](https://www.toureiffel.paris/en/news/history-and-culture/why-does-eiffel-tower-change-size)

Would you like the height in feet as well?
