After coffee lovers became familiar with the third wave that focused on quality, origin, and preparation, the world is now talking about the fourth wave of specialty coffee — a new phase that blends science, data, and artificial intelligence with art and craftsmanship .
But what is meant by the fourth wave?
It is simply the next evolution in coffee culture, where modern technologies are used to improve every detail of the journey: from cultivation to preparation.
On farms, smart sensing and drones are now being used to monitor coffee growth and soil quality.
In roasters, analytical software and artificial intelligence devices are used to adjust the ideal roasting degree for each variety with micrometric precision.
In cafes, thanks to smart devices such as Poursteady or Eversys, it has become possible to prepare every cup with the same quality and consistency as a professional barista.
In Saudi Arabia, we have begun to see this trend clearly materialize; some local roasters are now using digital tracking systems for the journey of coffee from farm to cup, so that the customer knows the exact source of each bean.
Specialty cafes have also begun to rely on data analysis and digital flavor evaluation to develop their own recipes, making the experience more sustainable and professional.
The fourth wave does not eliminate the artistic spirit of the barista, but rather enhances it with technology .
Here, coffee is prepared not only by sight and taste, but also by numbers and algorithms .
It is the stage that balances heart and mind, feeling and science — just as coffee should be.