The top alternative to GPT Image 2 API is Reve 2.1, rated 1305 Elo (#2 of 155) in the Image Arena, followed by Mai Image 2.5 Text to Image (1266 Elo) (GPT Image 2 API itself ranks #1 of 155 at 1338 Elo).
Reve 2.1 is the highest-ranked text to image alternative, with 1305 Elo (#2 of 155) 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 2 API, which holds 1338 Elo at rank #1 — open any model page or a head-to-head compare link for the direct matchup.