Cheaper Gen.

Video model comparison

Seedance 2.0 vs Seedance 2.0 Fast

ByteDance's Seedance 2.0 and ByteDance's Seedance 2.0 Fast, 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 2.0 vs Seedance 2.0 Fast: price per second

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

Seedance 2.0 and Seedance 2.0 Fast prices at shared tiers
TierSeedance 2.0Seedance 2.0 FastPer clipCheaper
480pwith audio$0.0569/s$0.0438/s$0.28 · $0.22
5 s each
Seedance 2.0 Fast −23%
720pwith audio$0.1223/s$0.0942/s$0.61 · $0.47
5 s each
Seedance 2.0 Fast −23%

Specs

Side-by-side specifications

From each model's API parameters in our catalog.

Seedance 2.0 vs Seedance 2.0 Fast specifications
SpecSeedance 2.0Seedance 2.0 Fast
DeveloperByteDanceByteDance
ReleasedApr 14, 2026Apr 14, 2026
TasksText to video, Image to video, Reference to videoText to video, Image to video, Reference to video
Resolutions480p · 720p · 1080p · 4K480p · 720p
Clip length4–15 s4–15 s
AudioIncluded at no extra costIncluded at no extra cost
Image-to-videoFirst + last frameFirst + last frame
Reference inputsUp to 9 images, 3 videos and 3 audioUp to 9 images, 3 videos and 3 audio
Aspect ratios6 (16:9, 9:16, 1:1, 4:3, 3:4, 21:9)6 (16:9, 9:16, 1:1, 4:3, 3:4, 21:9)
Starting price$0.0569/s (480p)$0.0438/s (480p)
Below official priceup to 20%up to 22%

Verdict

When to choose which

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

Choose Seedance 2.0 for

  • Higher maximum resolution: 4K vs 720p.

Seedance 2.0 at a glance

  • Up to 4K — 480p, 720p, 1080p and 4K output
  • 4–15 seconds — Pay per second, any length in between
  • Audio included — Synchronized sound at no extra cost
  • Multi-reference — Up to 9 images, 3 videos and 3 audio clips

Choose Seedance 2.0 Fast for

  • Lower price: $0.0942/s vs $0.1223/s at 720p with audio (23% less).

Seedance 2.0 Fast at a glance

  • Lower latency — Faster turnaround than standard
  • 480p / 720p — Social-ready resolutions
  • Audio included — Synchronized sound
  • Best for volume — Batch & pipeline workloads

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-2.0/text-to-video
POST /api/v1/run/bytedance/seedance-2.0-fast/text-to-video

FAQ

Seedance 2.0 vs Seedance 2.0 Fast questions

Seedance 2.0 Fast is cheaper at 2 of 2 shared tiers. 480p: Seedance 2.0 $0.0569/s, Seedance 2.0 Fast $0.0438/s; 720p: Seedance 2.0 $0.1223/s, Seedance 2.0 Fast $0.0942/s (with audio). Prices are live and billed per second.

Seedance 2.0: 480p, 720p, 1080p, 4K, 4–15 s per clip. Seedance 2.0 Fast: 480p, 720p, 4–15 s per clip.

Seedance 2.0: Included at no extra cost. Seedance 2.0 Fast: Included at no extra cost.

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 2.0 is developed by ByteDance; Seedance 2.0 Fast by ByteDance. Cheaper Gen. provides API access to both through official upstream endpoints and does not own either model. Trademarks belong to their respective owners.