Seedance 2 vs 2-fast: a 15 s clip at 720p is $5.67 vs $4.54
Seedance 2-fast is 20 percent cheaper than Seedance 2 on Sume. Over 15 seconds that saves $0.53 at 480p, $1.13 at 720p and $2.55 at 1080p.
Both are token-priced Seedance 2.0 models with 4 to 15 second jobs and audio. Sume bills $0.0175 per 1,000 tokens for Seedance 2 and $0.0140 for 2-fast. Rates read 2026-10-07.
| Tier | Seedance 2 | Seedance 2-fast | Saving |
|---|---|---|---|
| 480p | $2.637 | $2.109 | $0.53 |
| 720p | $5.67 | $4.54 | $1.13 |
| 1080p | $12.76 | $10.21 | $2.55 |
What the saving means
The gap is always 20 percent, since the per-token rates differ by that ratio. On a 20-clip test at 720p that is $22.68 saved. The post does not claim a quality difference; render one clip on each before you commit.
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