Which should you pick?
Kling 4.0 Flash is the cheaper job: 23-151 credits against 32-192 credits for VEO 3.1. 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: VEO 3.1 tops out at 192 credits a job versus 151, driven by audio options.
VEO 3.1 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
VEO 3.1
32-192 credits
It bills by whether audio is generated, and the price moves with audio options.
- Audio off8 credits
- Audio on16 credits
- Audio off, 4K16 credits
- Audio on, 4K24 credits
Kling 4.0 Flash
23-151 credits
It bills per second of output, and the price moves with clip length.
- Price8 credits
All figures are Versely credits. Your plan's credit allowance is on the pricing page.
Spec comparison
| Spec | VEO 3.1 | Kling 4.0 Flash |
|---|---|---|
| Provider | Kling | |
| Cost per job | 32-192 credits | 23-151 credits |
| Billing | by whether audio is generated | per second of output |
| Max resolution | 4K | 720p |
| Aspect ratios | 16:9, 9:16, auto | 16:9, 9:16, 1:1, 21:9 |
| Durations | 4s, 6s, 8s | 3s, 4s, 5s, 6s, 7s, 8s, 9s, 10s, 11s, 12s, 13s, 14s, 15s, 20s |
| Frame rates | 24fps, 30fps, 60fps | — |
| Qualities | 720p, 1080p, 4K | 720p |
| Requires starting image | No | No |
| Accepts video input | No | No |
| Reference images | — | — |
| Leaderboard | #24 in text to video | Unranked |
| Released | Oct 15, 2025 | Sep 28, 2026 |
What each one does that the other doesn't
Only VEO 3.1
cinematic, enhanced, premium
Only Kling 4.0 Flash
native audio, fast, up to 20 s, 720p
Both list: text to video.
Leaderboard positions
Versely ranks each capability on its own leaderboard, so a position is only comparable between two models within the same row.
VEO 3.1
- Text to video#24
Kling 4.0 Flash
Not on a Versely leaderboard yet.
Full VEO 3.1 spec sheet →
Enhanced VEO 3 with improved quality and features
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, VEO 3.1 or Kling 4.0 Flash?+
Kling 4.0 Flash is cheaper per job: 23-151 credits against 32-192 credits for VEO 3.1.
What can VEO 3.1 do that Kling 4.0 Flash can't, or vice versa?+
Only VEO 3.1 lists cinematic, enhanced, premium. Only Kling 4.0 Flash lists native audio, fast, up to 20 s, 720p. Both list text to video.
How do VEO 3.1 and Kling 4.0 Flash bill?+
VEO 3.1 bills by whether audio is generated, and its price moves with audio options. 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, VEO 3.1 or Kling 4.0 Flash?+
VEO 3.1 supports higher output (4K against 720p).
How long a clip can VEO 3.1 and Kling 4.0 Flash generate?+
VEO 3.1 supports 4s, 6s, 8s; 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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