Which should you pick?
Kling 4.0 Flash is the cheaper job: 12-76 credits against 15-74 credits for Gemini Omni Video. 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: Kling 4.0 Flash tops out at 76 credits a job versus 74, driven by clip length.
Gemini Omni Video supports up to 4K, the higher of the two.
Kling 4.0 Flash supports more aspect ratios (4: 16:9, 9:16, 1:1, 21:9), giving it more format flexibility.
What a job costs
Gemini Omni Video
15-74 credits
It bills per second, at a rate that changes with output resolution, and the price moves with output resolution.
- SD/HD4 credits
- 4K8 credits
Kling 4.0 Flash
12-76 credits
It bills per second of output, and the price moves with clip length.
- Price4 credits
All figures are Versely credits. Your plan's credit allowance is on the pricing page.
Spec comparison
| Spec | Gemini Omni Video | Kling 4.0 Flash |
|---|---|---|
| Provider | Kling | |
| Cost per job | 15-74 credits | 12-76 credits |
| Billing | per second, at a rate that changes with output resolution | per second of output |
| Max resolution | 4K | 720p |
| Aspect ratios | 16:9, 9:16 | 16:9, 9:16, 1:1, 21:9 |
| Durations | 4s, 6s, 8s, 10s | 3s, 4s, 5s, 6s, 7s, 8s, 9s, 10s, 11s, 12s, 13s, 14s, 15s, 20s |
| Frame rates | — | — |
| Qualities | 720p, 1080p, 4K | 720p |
| Requires starting image | No | No |
| Accepts video input | No | No |
| Reference images | — | — |
| Leaderboard | Unranked | Unranked |
| Released | May 19, 2026 | Sep 28, 2026 |
What each one does that the other doesn't
Only Gemini Omni Video
image to video, reference to video, multimodal, character ref, audio driven, 4k
Only Kling 4.0 Flash
native audio, fast, up to 20 s, 720p
Both list: text to video.
Full Gemini Omni Video spec sheet →
Google Gemini Omni multimodal video generation. Accepts a prompt plus optional reference images, source video clips, character IDs, and audio IDs. Supports 720p / 1080p / 4k output at 4-10 seconds (16:9 or 9:16). Quota: images + videos*2 + character_ids <= 7.
Full Kling 4.0 Flash spec sheet →
Kling 4.0 Flash is the fast, lower-cost tier of Kling AI's 4.0 video model. It turns a text prompt into a 3 to 20 second 720p clip with its own sound, in 16:9, 9:16, 1:1 or 21:9, at about 60% of Kling 4.0's price: made for quick drafts, social posts and trying ideas before a final render.
More comparisons
Frequently asked questions
Which is cheaper, Gemini Omni Video or Kling 4.0 Flash?+
Kling 4.0 Flash is cheaper per job: 12-76 credits against 15-74 credits for Gemini Omni Video.
What can Gemini Omni Video do that Kling 4.0 Flash can't, or vice versa?+
Only Gemini Omni Video lists image to video, reference to video, multimodal, character ref, audio driven, 4k. Only Kling 4.0 Flash lists native audio, fast, up to 20 s, 720p. Both list text to video.
How do Gemini Omni Video and Kling 4.0 Flash bill?+
Gemini Omni Video bills per second, at a rate that changes with output resolution, and its price moves with output resolution. Kling 4.0 Flash bills per second of output, and its price moves with clip length. Both are charged in Versely credits.
Which has higher output resolution, Gemini Omni Video or Kling 4.0 Flash?+
Gemini Omni Video supports higher output (4K against 720p).
How long a clip can Gemini Omni Video and Kling 4.0 Flash generate?+
Gemini Omni Video supports 4s, 6s, 8s, 10s; Kling 4.0 Flash supports 3s, 4s, 5s, 6s, 7s, 8s, 9s, 10s, 11s, 12s, 13s, 14s, 15s, 20s.
Try both inside Versely
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