2013 film in which joaquin phoenix's character falls in love with an a.i. operating system

The 2013 film you’re looking for is “Her.”
Film basics
- Title: Her
- Release year: 2013
- Director & writer: Spike Jonze
- Main plot: Theodore Twombly, a lonely writer played by Joaquin Phoenix, falls in love with an advanced A.I. operating system who calls herself Samantha.
Why it fits the clue
- The story is explicitly about a man who develops a romantic relationship with an A.I. OS that evolves and learns from him.
- Samantha exists only as a voice (performed by Scarlett Johansson), but her personality and emotional depth drive the love story.
Quick scoop style summary
- Set in a near-future Los Angeles, the film blends sci‑fi and romance to explore loneliness, digital intimacy, and what “real” connection means in an age of intelligent systems.
- It has become a frequent reference point in current discussions about modern A.I. companions and emotional chatbots, especially as today’s systems feel closer to what “Her” imagined back in 2013.
Answer: Her (2013).
Information gathered from public forums or data available on the internet and portrayed here.