Cheaper Gen.

Video model comparison

Kling 3.0 vs Veo 3.1

Kuaishou's Kling 3.0 and Google's Veo 3.1, 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.

Kuaishou
Up to −13%

Kling3.0

Kling 3.0

Kling's flagship video model — cinematic motion, native audio, up to 15 s

from

$0.0739/s

Google
Up to −57%

Veo3.1

Veo 3.1

Google's cinematic video model with native audio, up to 4K

from

$0.1719/s

Price

Kling 3.0 vs Veo 3.1: 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.

Kling 3.0 and Veo 3.1 prices at shared tiers
TierKling 3.0Veo 3.1Per clipCheaper
720pwith audio$0.11/s$0.1719/s$0.55 · $1.38
5 s · 8 s
Kling 3.0 −36%
1080pwith audio$0.1478/s$0.352/s$0.74 · $2.82
5 s · 8 s
Kling 3.0 −58%
4K$0.3685/s
silent
$0.528/s
with audio
$1.84 · $4.22
5 s · 8 s
Kling 3.0 −30%
Kling 3.0 pricing →Cheap Kling 3.0 API →Veo 3.1 pricing →Cheap Veo 3.1 API →

Specs

Side-by-side specifications

From each model's API parameters in our catalog.

Kling 3.0 vs Veo 3.1 specifications
SpecKling 3.0Veo 3.1
DeveloperKuaishouGoogle
ReleasedFeb 25, 2026Oct 15, 2025
TasksText to video, Image to videoText to video, Image to video
Resolutions720p · 1080p · 4K720p · 1080p · 4K
Clip length3–15 s4, 6, 8 s
AudioOptional, billed at a higher rateOptional, billed at a higher rate
Image-to-videoFirst + last frameFirst + last frame
Reference inputs——
Aspect ratios3 (16:9, 9:16, 1:1)2 (16:9, 9:16)
Starting price$0.0739/s (720p)$0.1719/s (720p + audio)
Below official priceup to 13%up to 57%

Verdict

When to choose which

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

Choose Kling 3.0 for

  • Lower price: $0.11/s vs $0.1719/s at 720p with audio (36% less).
  • Longer clips: up to 15 s vs 8 s.
  • More aspect ratios: 3 vs 2.
  • Newer model (released February 25, 2026).

Kling 3.0 at a glance

  • Up to 4K — 720p, 1080p and native 4K
  • 3–15 seconds — Pay per second
  • Native audio — Optional synchronized sound
  • Frames — First & last frame control

Choose Veo 3.1 for

  • The same tasks at a similar price — pick by output style; try both in the Studio.

Veo 3.1 at a glance

  • Up to 4K — 720p, 1080p and 4K
  • Native audio — Dialogue, effects, ambience
  • 4 / 6 / 8 s — Pay per second
  • Frames — First & last frame control

Try both with the same prompt

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

POST /api/v1/run/kuaishou/kling-3.0/text-to-video
POST /api/v1/run/google/veo-3.1/text-to-video
Kling 3.0 in Studio Veo 3.1 in Studio

FAQ

Kling 3.0 vs Veo 3.1 questions

Kling 3.0 is cheaper at 3 of 3 shared tiers. 720p: Kling 3.0 $0.11/s, Veo 3.1 $0.1719/s; 1080p: Kling 3.0 $0.1478/s, Veo 3.1 $0.352/s; 4K: Kling 3.0 $0.3685/s silent, Veo 3.1 $0.528/s with audio. Prices are live and billed per second.

Kling 3.0: 720p, 1080p, 4K, 3–15 s per clip. Veo 3.1: 720p, 1080p, 4K, 4, 6, 8 s per clip.

Kling 3.0: Optional, billed at a higher rate. Veo 3.1: 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.

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All comparisons →All AI video APIs →Cheapest video APIs →

Kling 3.0 is developed by Kuaishou; Veo 3.1 by Google. Cheaper Gen. provides API access to both through official upstream endpoints and does not own either model. Trademarks belong to their respective owners.