Kling 3.0 vs Veo 3.1 Fast
Kuaishou's Kling 3.0 and Google's Veo 3.1 Fast both target video generation, but they price and behave differently. Here is the side-by-side.
Pricing checked against provider documentation on . How we verify
The short answer
Kling 3.0 is the cheaper option — roughly 1.9x less on a blended workload, and it suits motion quality and multi-shot sequences. Veo 3.1 Fast justifies its premium when you need veo quality at a working budget.
Kuaishou • Kling 3
$0.08 / $
/ video sec (input / output)
Widely regarded as the benchmark for motion realism, and unusual in supporting clips up to fifteen seconds when most rivals cap at eight. The Omni variant unifies video, audio, image, and editing in one model with native lip-sync across five languages and storyboards of up to six shots per clip.
Google • Veo 3.1
$0.15 / $
/ video sec (input / output)
The practical default in the Veo line: native audio included, video extension and reference-image support intact, at roughly a third of the standard model's price. Supports text-to-video, image-to-video, and generation from first and last frames, with C2PA content credentials attached to output.
Input price
Veo 3.1 Fast is 87% more expensive than Kling 3.0 on input tokens.
Specification comparison
| Attribute | Kling 3.0 | Veo 3.1 Fast |
|---|---|---|
| Input (/ video sec) | $0.08 | $0.15 |
| Output (/ video sec) | — | — |
| Cached input | — | — |
| Context window | — | — |
| Max output | — | — |
| Native reasoning | No | No |
| Knowledge cutoff | — | — |
| Relative latency | high | medium |
| Open weights | No | No |
| API model ID | kling-v3 | veo-3.1-fast-generate-001 |
| Status | stable | stable |
Kling 3.0: 720p without native audio. Adding audio takes it to roughly $0.11–$0.13/sec, and 1080p to $0.14–$0.168/sec. Clips run 3–15 seconds.
Veo 3.1 Fast: Audio included. Video-only routes are cheaper at roughly $0.08–$0.10/sec, and third-party resellers vary. Clips are 4, 6, or 8 seconds.
Choose Kling 3.0 if…
- Cinematic motion and camera work
- Longer single-take clips
- Multi-shot storyboarded sequences
- Lip-synced dialogue scenes
Choose Veo 3.1 Fast if…
- Social and marketing clips with audio
- Image-to-video animation
- Extending existing footage
- Volume production on a budget
Frequently asked
Is Kling 3.0 or Veo 3.1 Fast cheaper?
Kling 3.0 is cheaper. On a blended 3:1 input-to-output workload it costs about 1.9x less than Veo 3.1 Fast.
Which has the larger context window, Kling 3.0 or Veo 3.1 Fast?
Both accept up to — tokens, so context is not a differentiator here.
Should I use Kling 3.0 or Veo 3.1 Fast?
Pick Kling 3.0 for motion quality and multi-shot sequences. Pick Veo 3.1 Fast for veo quality at a working budget. If cost dominates the decision, Kling 3.0 wins; if you need the capability ceiling, benchmark both on your own evals before committing.