All tasks / Comparisons
Aleph 2.0 vs Seedance 2.5
Compared only on public benchmark results, across the 1 task where both are listed: Seedance 2.5 is a tier higher in 1 of 1 shared task.
Aleph 2.0
Runway's in-context video editing model: adds, removes, changes or restyles elements of existing footage from a prompt.
- Vendor
- Runway
- Weights
- Closed: API and apps only
- Released
- 21 May 2026
- API price
- $0.28 per second of video (Runway API aleph2: 28 credits per second at $0.01 per credit (56-credit minimum per generation); AA lists $16.80/min)
- Last verified
- 18 Oct 2026
Seedance 2.5
ByteDance Seed's video model line with native audio, offered in Dreamina/CapCut and via API.
- Vendor
- ByteDance (Seed)
- Weights
- Closed: API and apps only
- Released
- 31 Jul 2026
- API price
- $0.57 per second of video ($34.12/min as listed on the AA text-to-video board (with audio; resolution not stated); $24.60/min for image-to-video)
- License
- proprietary
- Last verified
- 18 Oct 2026
Task by task
| Task | Aleph 2.0 | Seedance 2.5 | Higher tier |
|---|---|---|---|
| Video editing Models | C1,014 on Artificial Analysis Video Arena: Video Editing (AA-Video-Editing v1.1, with audio) · Cloud | A1,155 on Artificial Analysis Video Arena: Video Editing (AA-Video-Editing v1.1, with audio) · Cloud | Seedance 2.5 |
A tier spans a range of scores, and small gaps on a leaderboard are often within its margin of error, so only a different tier counts as ahead. How we rank.
Same benchmark, both results
| Benchmark | Aleph 2.0 | Seedance 2.5 | Snapshot |
|---|---|---|---|
| Artificial Analysis Video Arena: Video Editing (AA-Video-Editing v1.1, with audio) Elo (pairwise human preference), higher is better | 1,014 | 1,155 | 18 Oct 2026 |
| Artificial Analysis Video Arena: Video Editing, no audio (AA-Video-Editing-Silent v1.1) Elo (pairwise human preference), higher is better | 1,040 | 1,146 | 18 Oct 2026 |