Cheaper Gen.

Video model comparison

Vidu Q4 vs Kling 3.0 Omni

Shengshu's Vidu Q4 and Kuaishou's Kling 3.0 Omni, side by side: price per second, resolution, clip length, audio and references — and when to choose which. Both run on one Cheaper Gen. API key.

Shengshu
Up to −12%

ViduQ4

Vidu Q4

Vidu's newest model — up to 4K, 15 reference images and voice references

from

$0.0396/s

Kuaishou
Up to −12%

Kling3.0 Omni

Kling 3.0 Omni

Kling 3.0 with multi-image references for consistent characters

from

$0.0739/s

Price

Vidu Q4 vs Kling 3.0 Omni: price per second

Live prices at the tiers both models offer, with audio where both can generate it. Official list prices are on each model's pricing page.

Vidu Q4 and Kling 3.0 Omni prices at shared tiers
TierVidu Q4Kling 3.0 OmniPer clipCheaper
720pwith audio$0.0836/s$0.0986/s$0.42 · $0.49
5 s each
Vidu Q4 −15%
1080pwith audio$0.1056/s$0.1232/s$0.53 · $0.62
5 s each
Vidu Q4 −14%
4K$0.3432/s
with audio
$0.3685/s
silent
$1.72 · $1.84
5 s each
Vidu Q4 −7%
Vidu Q4 pricing →Cheap Vidu Q4 API →Kling 3.0 Omni pricing →Cheap Kling 3.0 Omni API →

Specs

Side-by-side specifications

From each model's API parameters in our catalog.

Vidu Q4 vs Kling 3.0 Omni specifications
SpecVidu Q4Kling 3.0 Omni
DeveloperShengshuKuaishou
ReleasedOct 7, 2026Feb 25, 2026
TasksImage to video, Reference to videoText to video, Image to video, Reference to video
Resolutions540p · 720p · 1080p · 2K · 4K720p · 1080p · 4K
Clip length3–16 s3–15 s
AudioIncluded at no extra costOptional, billed at a higher rate
Image-to-videoFirst frameFirst + last frame
Reference inputsUp to 15 images and 3 audioUp to 7 images
Aspect ratios5 (16:9, 9:16, 1:1, 4:3, 3:4)3 (16:9, 9:16, 1:1)
Starting price$0.0396/s (540p)$0.0739/s (720p)
Below official priceup to 12%up to 12%

Verdict

When to choose which

Each point below comes from the price and spec data above.

Choose Vidu Q4 for

  • Lower price: $0.0836/s vs $0.0986/s at 720p with audio (15% less).
  • Longer clips: up to 16 s vs 15 s.
  • Audio included at no extra cost (the other bills audio at a higher rate).
  • More reference inputs: up to 15 images and 3 audio clips.
  • More aspect ratios: 5 vs 3.
  • Newer model (released October 7, 2026).

Vidu Q4 at a glance

  • Up to 4K — 540p to native 4K
  • 15 references — Plus 3 voice clips
  • Audio included — Dialogue and effects
  • 3–16 seconds — Pay per second

Choose Kling 3.0 Omni for

  • First and last frame control for image-to-video.
  • Supports text to video.

Kling 3.0 Omni at a glance

  • Up to 7 references — People, products, scenes
  • Up to 4K — 720p, 1080p and 4K
  • 3–15 seconds — Pay per second
  • Native audio — Optional, at a lower rate than Kling 3.0

Try both with the same prompt

Same API key and balance; only the endpoint changes. Failed generations are refunded.

POST /api/v1/run/shengshu/vidu-q4/image-to-video
POST /api/v1/run/kuaishou/kling-3.0-omni/text-to-video
Vidu Q4 in Studio Kling 3.0 Omni in Studio

FAQ

Vidu Q4 vs Kling 3.0 Omni questions

Vidu Q4 is cheaper at 3 of 3 shared tiers. 720p: Vidu Q4 $0.0836/s, Kling 3.0 Omni $0.0986/s; 1080p: Vidu Q4 $0.1056/s, Kling 3.0 Omni $0.1232/s; 4K: Vidu Q4 $0.3432/s with audio, Kling 3.0 Omni $0.3685/s silent. Prices are live and billed per second.

Vidu Q4: 540p, 720p, 1080p, 2K, 4K, 3–16 s per clip. Kling 3.0 Omni: 720p, 1080p, 4K, 3–15 s per clip.

Vidu Q4: Included at no extra cost. Kling 3.0 Omni: Optional, billed at a higher rate.

Yes. Both run through the same Cheaper Gen. API and balance: POST /v1/run/{endpoint} with the model's endpoint id, then poll or receive a webhook. Switching models means changing the endpoint and its input fields — no new account or SDK.

Keep comparing

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Vidu Q4 is developed by Shengshu; Kling 3.0 Omni by Kuaishou. Cheaper Gen. provides API access to both through official upstream endpoints and does not own either model. Trademarks belong to their respective owners.