Gemini Omni Flash leads on human preference — 1323 vs 1225 Elo (#1 of 88 in the Video Arena). The right pick still depends on style, speed and licensing — details below.
Gemini Omni Flash✓google/gemini-omni-flashvs
Grok Imagine Video 1.5 Text to Videoxai/grok-imagine-video/v1.5/text-to-video| Human-preference Elo | 1323 | 1225 |
| Arena rank | #1 of 88 | #9 of 88 |
| Category | text-to-video | text-to-video |
| License | commercial | commercial |
By human preference, Gemini Omni Flash currently rates higher (1323 vs 1225 Elo). Preference votes measure typical output quality; test both on your own prompts for style fit.
Both are text to video models available as hosted API endpoints — Gemini Omni Flash (google/gemini-omni-flash) and Grok Imagine Video 1.5 Text to Video (xai/grok-imagine-video/v1.5/text-to-video).
See the full best text-to-video models ranking.