Steins gate keeps doing anime reboots to try to reach the mainstream audience but the Original VN will always be king. The visual novel is very long but its far better than the anime because of its art, music and Branching storylines.
The VN music was reused in the anime which was composed mostly by Takeshi Abo, who also did Lease that went viral a few weeks back with Frutiger aero
https://www.youtube.com/watch?v=b12dBv7EDjUThe original art is top notch and felt more airy or dreamlike to me with light speckled all across the characters. I'll attach some examples comparing the OG to the anime: