The top alternative to gpt-image-1 is GPT Image 2 API, rated 1337 Elo (#1 of 158) in the Image Arena, followed by Reve 2.1 (1307 Elo) (gpt-image-1 itself ranks #59 of 158 at 1129 Elo).
GPT Image 2 API is the highest-ranked text to image alternative, with 1337 Elo (#1 of 158) in the Image Arena from blind human-preference votes. The full ranking below lists 15 alternatives.
All models here compete in the same human-preference arena as gpt-image-1, which holds 1129 Elo at rank #59 — open any model page or a head-to-head compare link for the direct matchup.