Which should you pick?
Grok Imagine Video 1.5 Text to Video is the cheaper job: 7-300 credits against 8-240 credits for Gemini Omni Flash 1.1. Those are the credits one complete generation costs, not a headline rate, so they are directly comparable even though the two models bill differently.
At their most expensive settings the gap widens: Grok Imagine Video 1.5 Text to Video tops out at 300 credits a job versus 240, driven by output resolution.
Gemini Omni Flash 1.1 supports up to 4K, the higher of the two.
Grok Imagine Video 1.5 Text to Video supports more aspect ratios (7: 16:9, 9:16, 1:1, 4:3, 3:4, 3:2, 2:3), giving it more format flexibility.
What a job costs
Gemini Omni Flash 1.1
8-240 credits
It bills per second, at a rate that changes with output resolution, and the price moves with output resolution.
- SD3 credits
- HD8 credits
- 4K24 credits
Grok Imagine Video 1.5 Text to Video
7-300 credits
It bills per second, at a rate that changes with output resolution, and the price moves with output resolution.
- SD7 credits
- HD12 credits
- 4K20 credits
All figures are Versely credits. Your plan's credit allowance is on the pricing page.
Spec comparison
| Spec | Gemini Omni Flash 1.1 | Grok Imagine Video 1.5 Text to Video |
|---|---|---|
| Provider | Grok | |
| Cost per job | 8-240 credits | 7-300 credits |
| Billing | per second, at a rate that changes with output resolution | per second, at a rate that changes with output resolution |
| Max resolution | 4K | 1080p |
| Aspect ratios | 16:9, 9:16 | 16:9, 9:16, 1:1, 4:3, 3:4, 3:2, 2:3 |
| Durations | 3s, 4s, 5s, 6s, 7s, 8s, 9s, 10s | 1s, 2s, 3s, 4s, 5s, 6s, 7s, 8s, 9s, 10s, 11s, 12s, 13s, 14s, 15s |
| Frame rates | — | — |
| Qualities | 360p, 720p, 1080p, 4k | 480p, 720p, 1080p |
| Requires starting image | No | No |
| Accepts video input | No | No |
| Reference images | — | — |
| Leaderboard | Unranked | Unranked |
| Released | Aug 25, 2026 | May 1, 2026 |
What each one does that the other doesn't
Only Gemini Omni Flash 1.1
up to 4k, 360p drafts
Only Grok Imagine Video 1.5 Text to Video
text driven, 1080p, flexible duration
Both list: text to video, text to video, native audio.
Full Gemini Omni Flash 1.1 spec sheet →
Google's updated Omni Flash makes a 3 to 10 second video with synchronized speech, music and sound from a text prompt, now from cheap 360p drafts up to 1080p and 4K. Top 10 on Artificial Analysis' text-to-video arena.
Full Grok Imagine Video 1.5 Text to Video spec sheet →
xAI's Grok Imagine Video 1.5 turns a prompt into a video with native audio. 480p, 720p or 1080p, any length from 1 to 15 seconds, seven aspect ratios.
Frequently asked questions
Which is cheaper, Gemini Omni Flash 1.1 or Grok Imagine Video 1.5 Text to Video?+
Grok Imagine Video 1.5 Text to Video is cheaper per job: 7-300 credits against 8-240 credits for Gemini Omni Flash 1.1.
What can Gemini Omni Flash 1.1 do that Grok Imagine Video 1.5 Text to Video can't, or vice versa?+
Only Gemini Omni Flash 1.1 lists up to 4k, 360p drafts. Only Grok Imagine Video 1.5 Text to Video lists text driven, 1080p, flexible duration. Both list text to video, text to video, native audio.
How do Gemini Omni Flash 1.1 and Grok Imagine Video 1.5 Text to Video bill?+
Gemini Omni Flash 1.1 bills per second, at a rate that changes with output resolution, and its price moves with output resolution. Grok Imagine Video 1.5 Text to Video bills per second, at a rate that changes with output resolution, and its price moves with output resolution. Both are charged in Versely credits.
Which has higher output resolution, Gemini Omni Flash 1.1 or Grok Imagine Video 1.5 Text to Video?+
Gemini Omni Flash 1.1 supports higher output (4K against 1080p).
How long a clip can Gemini Omni Flash 1.1 and Grok Imagine Video 1.5 Text to Video generate?+
Gemini Omni Flash 1.1 supports 3s, 4s, 5s, 6s, 7s, 8s, 9s, 10s; Grok Imagine Video 1.5 Text to Video supports 1s, 2s, 3s, 4s, 5s, 6s, 7s, 8s, 9s, 10s, 11s, 12s, 13s, 14s, 15s.
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