Cheaper Gen.

Video model comparison

Seedance 2.5 vs Kling 3.0

ByteDance's Seedance 2.5 and Kuaishou's Kling 3.0, 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.

Price

Seedance 2.5 vs Kling 3.0: price per second

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

Seedance 2.5 and Kling 3.0 prices at shared tiers
TierSeedance 2.5Kling 3.0Per clipCheaper
720pwith audio$0.1885/s$0.11/s$0.94 · $0.55
5 s each
Kling 3.0 −42%
1080pwith audio$0.4665/s$0.1478/s$2.33 · $0.74
5 s each
Kling 3.0 −68%

Specs

Side-by-side specifications

From each model's API parameters in our catalog.

Seedance 2.5 vs Kling 3.0 specifications
SpecSeedance 2.5Kling 3.0
DeveloperByteDanceKuaishou
ReleasedAug 7, 2026Feb 25, 2026
TasksText to video, Image to video, Reference to videoText to video, Image to video
Resolutions480p · 720p · 1080p720p · 1080p · 4K
Clip length4–15 s3–15 s
AudioIncluded at no extra costOptional, billed at a higher rate
Image-to-videoFirst + last frameFirst + last frame
Reference inputsUp to 30 images, 10 videos and 10 audio—
Aspect ratios6 (16:9, 9:16, 1:1, 4:3, 3:4, 21:9)3 (16:9, 9:16, 1:1)
Starting price$0.0877/s (480p)$0.0739/s (720p)
Below official priceup to 18%up to 13%

Verdict

When to choose which

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

Choose Seedance 2.5 for

  • Audio included at no extra cost (the other bills audio at a higher rate).
  • More reference inputs: up to 30 images, 10 videos and 10 audio clips.
  • More aspect ratios: 6 vs 3.
  • Supports reference to video.
  • Newer model (released August 7, 2026).

Seedance 2.5 at a glance

  • Up to 1080p — 480p, 720p and 1080p output
  • Longer clips — Up to 15 seconds per generation
  • Audio included — Synchronized sound at no extra cost
  • Rich references — Up to 30 images, 10 videos and 10 audio clips

Choose Kling 3.0 for

  • Lower price: $0.11/s vs $0.1885/s at 720p with audio (42% less).
  • Higher maximum resolution: 4K vs 1080p.

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

Try both with the same prompt

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

POST /api/v1/run/bytedance/seedance-2.5/text-to-video
POST /api/v1/run/kuaishou/kling-3.0/text-to-video

FAQ

Seedance 2.5 vs Kling 3.0 questions

Kling 3.0 is cheaper at 2 of 2 shared tiers. 720p: Seedance 2.5 $0.1885/s, Kling 3.0 $0.11/s; 1080p: Seedance 2.5 $0.4665/s, Kling 3.0 $0.1478/s (with audio). Prices are live and billed per second.

Seedance 2.5: 480p, 720p, 1080p, 4–15 s per clip. Kling 3.0: 720p, 1080p, 4K, 3–15 s per clip.

Seedance 2.5: Included at no extra cost. Kling 3.0: 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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Seedance 2.5 is developed by ByteDance; Kling 3.0 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.