Seedance 2.0 vs Veo 3.1 Fast

Both Seedance 2.0 and Veo 3.1 Fast are available on Scenes AI, and between these two the trade-off is quality against cost. Seedance 2.0 rates higher on measured image-to-video quality — 100 against 68 out of 100 — while Veo 3.1 Fast is cheaper per second of finished video. Every figure below comes from the same catalogue that bills your account.

What actually differs

These two match on most of the 10 specifications below; they differ on 6.

Seedance 2.0
Best visual quality · multi-shot scenes up to 15s · 9 reference images
Veo 3.1 Fast
Balanced quality and cost · strongest in-video audio
  • Seedance 2.0 scores 100 out of 100 on measured image-to-video preference testing against Veo 3.1 Fast's 68 — a 32-point gap.
  • Veo 3.1 Fast starts at $0.049 per second against $0.12 for Seedance 2.0 — 2.53x the rate for the same second of finished video.
  • Seedance 2.0 holds a single unbroken shot for 15s against 8s on Veo 3.1 Fast, so a beat longer than 8s has to be cut across two clips on Veo 3.1 Fast.
  • In-video audio is optional on Seedance 2.0 and always on on Veo 3.1 Fast.
  • Seedance 2.0 accepts 9 reference images per scene against 3 on Veo 3.1 Fast — that is how many characters and locations you can pin at once.
  • Seedance 2.0 offers 7 aspect ratios against 2 on Veo 3.1 Fast (16:9, 9:16).

Side by side

Specifications and rates, straight from the live catalogue.

Seedance 2.0 compared with Veo 3.1 Fast
SpecSeedance 2.0Veo 3.1 Fast
Made byByteDanceGoogle
Quality score100/10068/100
BillingPer second of outputFlat, per clip
From (per second)$0.12$0.049
Longest scene15s8s
Aspect ratios7 (1:1, 4:3, 3:4, 16:9, 9:16, 21:9, adaptive)2 (16:9, 9:16)
Resolutions480p, 720p, 1080p, 4k720p, 1080p, 4k
Reference images93
Scene-to-scene morphYesYes
In-video audioOptionalAlways on

Which should you pick?

Use Veo 3.1 Fast while you are still working out whether the idea holds — the point of the cheaper engine is that a draft you throw away costs little. Switch to Seedance 2.0 for the version you intend to publish. Because Scenes AI shows a scrubbable preview before any clips are bought, you can settle the structure cheaply and pay the higher rate once.

Price your own video with either engine on the pricing page, or read the full specs for Seedance 2.0 and Veo 3.1 Fast.

Related

FAQ

Common questions

Can't find what you're looking for? Visit help and support or email hello@usescenes.com and a human will reply.

Seedance 2.0, on the one measure we publish: 100 out of 100 against Veo 3.1 Fast's 68 on measured image-to-video preference testing, audio excluded. That is a 32-point gap and it is the picture only — it says nothing about clip length, reference budget or price.