GPT-Image 1.5 leads on human preference — 1260 vs 1176 Elo (#5 of 149 in the Image Arena). The right pick still depends on style, speed and licensing — details below.
| Human-preference Elo | 1260 | 1176 |
| Arena rank | #5 of 149 | #23 of 149 |
| Category | text-to-image | text-to-image |
| License | commercial | commercial |
By human preference, GPT-Image 1.5 currently rates higher (1260 vs 1176 Elo). Preference votes measure typical output quality; test both on your own prompts for style fit.
Both are text to image models available as hosted API endpoints — GPT-Image 1.5 (fal-ai/gpt-image-1.5) and Grok Imagine Image (xai/grok-imagine-image).
See the full best text-to-image models ranking.