Edit: found it here: https://www.raspberrypi.com/news/introducing-raspberry-pi-5/
So the 4 GB model is 60$, which is 5$ more than the 4 GB model of the Raspberry 4 when that was launched: https://www.raspberrypi.com/news/raspberry-pi-4-on-sale-now-... . I guess that is fair, especially with inflation nowadays. So they stay true to the idea of making this available for cheap.