Grok Imagine Video 1.5 vs Seedance 2.0 Fast
Lowest entry price: Seedance 2.0 Fast · Highest resolution: Grok Imagine Video 1.5 · Newest: Grok Imagine Video 1.5. Not enough arena votes yet for a quality score, so this is a spec comparison.
xAIGrok Imagine Video 1.5
- Arena1,456
- From$0.08/s
- Max length15 s
ByteDance SeedSeedance 2.0 Fast
- Arena—
- From$0.04/s
- Max length15 s
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Where they differ
Quality is the arena score from blind, side-by-side human votes. Price, length and resolution come from each lab’s own listings.
- Lowest entry priceSeedance 2.0 FastGrok Imagine Video 1.5 from $0.08/s (480p) · Seedance 2.0 Fast from $0.04/s (480p)
- Longest clipsSame maximum lengthGrok Imagine Video 1.5: 1–15 s · Seedance 2.0 Fast: 4–15 s
- Highest resolutionGrok Imagine Video 1.5Grok Imagine Video 1.5: 1080p · Seedance 2.0 Fast: 720p
- NewestGrok Imagine Video 1.5Grok Imagine Video 1.5 May 30, 2026 · Seedance 2.0 Fast Apr 14, 2026
- Widest inputsSeedance 2.0 FastGrok Imagine Video 1.5: Text prompts, Reference images, Audio · Seedance 2.0 Fast: Text prompts, Reference images, Audio, Video
- Native audioBoth generate soundGenerates an audio track with the video: Grok Imagine Video 1.5 yes · Seedance 2.0 Fast yes
- Image to videoBoth animate imagesStarts from an uploaded image: Grok Imagine Video 1.5 yes · Seedance 2.0 Fast yes
- Self-hostingNo open weightsBoth are available only through APIs and apps
- Most API hostsGrok Imagine Video 1.5Grok Imagine Video 1.5: 2 · Seedance 2.0 Fast: 1
Every spec in one table
Dashes mean the data is not published.
| Specification | Grok Imagine Video 1.5xAI | Seedance 2.0 FastByteDance Seed |
|---|---|---|
| Quality (blind human votes) | ||
| Image to video arenaElo-style score · higher is better | 1,456 ±4#8 of 48 · 137,459 votes | — |
| Price | ||
| Starting price | $0.08/s 480p | $0.04/s 480p (best) |
| Top price | $0.25/s 1080p | — |
| 10-second clip | $0.80at the starting rate | $0.404at the starting rate (best) |
| Extra charges | $0.01 per input image | — |
| How it is billed | Per second | Billed per video token. |
| Output | ||
| Produces | Video with sound | Video with sound |
| Resolutions | 480p · 720p · 1080p | 480p · 720p |
| Highest resolution | 1080p (best) | 720p |
| Clip length | 1–15 s | 4–15 s |
| Longest clip | 15 s | 15 s |
| Sound | Always generated | Optional |
| Frame control | First and last frame | First and last frame |
| Inputs | ||
| Text prompts | Yes | Yes |
| Start image (image to video) | Yes | Yes |
| Video input | No | Yes |
| Audio input | Yes | Yes |
| References | Up to 14 reference images and 3 voice references | Image, video and audio |
| Access | ||
| Weights | Proprietary | Proprietary |
| API model ID | grok-imagine-video-1.5 | — |
| API hosts | 2 (best) | 1 |
| Released | May 30, 2026 | Apr 14, 2026 |
Which should you choose?
Which is better, Grok Imagine Video 1.5 or Seedance 2.0 Fast?
Neither model has enough arena votes for a reliable quality score yet, so this page compares specs only. Run the same three or four prompts through each and judge the results.
Which is cheaper?
Grok Imagine Video 1.5 costs from $0.08/s (480p), up to $0.25/s (1080p); Seedance 2.0 Fast costs from $0.04/s (480p). A 10-second clip at the lowest rate: Grok Imagine Video 1.5 $0.80, Seedance 2.0 Fast $0.404. Prices are list rates and change often; check the lab before budgeting.
How long can the videos be, and at what resolution?
Grok Imagine Video 1.5: 1–15 s, 480p / 720p / 1080p; Seedance 2.0 Fast: 4–15 s, 480p / 720p.
What is the difference between Grok Imagine Video 1.5 and Seedance 2.0 Fast?
Grok Imagine Video 1.5 is a video model from xAI (May 30, 2026), taking text prompts, reference images and audio and producing video with sound. Seedance 2.0 Fast is a video model from ByteDance Seed (Apr 14, 2026), taking text prompts, reference images, audio and video and producing video with sound.
Which is newer?
Grok Imagine Video 1.5 May 30, 2026; Seedance 2.0 Fast Apr 14, 2026.
Which generates video with sound?
Generates an audio track with the video: Grok Imagine Video 1.5 yes; Seedance 2.0 Fast yes.
Can I run any of these on my own hardware?
No open weights. Both are available only through APIs and apps.
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