Grok Imagine Video 1.5 vs Veo 3.1
Preferred for image to video: Grok Imagine Video 1.5 · Lowest entry price: Grok Imagine Video 1.5 · Longest clips: Grok Imagine Video 1.5. Quality scores are blind human-preference votes; specs and prices come from each lab’s listings.
xAI
Grok Imagine Video 1.5
- Arena1,456
- From$0.08/s
- Max length15 s
Google
Veo 3.1
- Arena1,398
- From$0.20/s
- Max length8 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.
- Preferred for image to videoGrok Imagine Video 1.5Grok Imagine Video 1.5 1,456 (#8) · Veo 3.1 1,398 (#13) — blind human votes
- Lowest entry priceGrok Imagine Video 1.5Grok Imagine Video 1.5 from $0.08/s (480p) · Veo 3.1 from $0.20/s (720p–1080p)
- Longest clipsGrok Imagine Video 1.5Grok Imagine Video 1.5: 1–15 s · Veo 3.1: 4, 6 or 8 s
- Highest resolutionVeo 3.1Grok Imagine Video 1.5: 1080p · Veo 3.1: 4K
- NewestGrok Imagine Video 1.5Grok Imagine Video 1.5 May 30, 2026 · Veo 3.1 Oct 15, 2025
- Widest inputsSame inputsGrok Imagine Video 1.5: Text prompts, Reference images, Audio · Veo 3.1: Text prompts, Reference images, Video
- Native audioBoth generate soundGenerates an audio track with the video: Grok Imagine Video 1.5 yes · Veo 3.1 yes
- Image to videoBoth animate imagesStarts from an uploaded image: Grok Imagine Video 1.5 yes · Veo 3.1 yes
- Self-hostingNo open weightsBoth are available only through APIs and apps
- Most API hostsVeo 3.1Grok Imagine Video 1.5: 2 · Veo 3.1: 3
Every spec in one table
Dashes mean the data is not published.
| Specification | ||
|---|---|---|
| Quality (blind human votes) | ||
| Text to video arenaElo-style score · higher is better | — | 1,364 ±14#12 of 48 · 13,741 votes |
| Image to video arenaElo-style score · higher is better | 1,456 ±4#8 of 48 · 137,459 votes (best) | 1,398 ±10#13 of 48 · 25,116 votes |
| Price | ||
| Starting price | $0.08/s 480p (best) | $0.20/s 720p–1080p |
| Top price | $0.25/s 1080p | $0.60/s 4K, with audio |
| 10-second clip | $0.80at the starting rate (best) | $2.00at the starting rate |
| Extra charges | $0.01 per input image | — |
| How it is billed | Per second | Per second |
| Output | ||
| Produces | Video with sound | Video with sound |
| Resolutions | 480p · 720p · 1080p | 720p · 1080p · 4K |
| Highest resolution | 1080p | 4K (best) |
| Clip length | 1–15 s | 4, 6 or 8 s |
| Longest clip | 15 s (best) | 8 s |
| Sound | Always generated | Optional |
| Frame control | First and last frame | First and last frame |
| Aspect ratios | — | 16:9 · 9:16 |
| Inputs | ||
| Text prompts | Yes | Yes |
| Start image (image to video) | Yes | Yes |
| Video input | No | Yes |
| Audio input | Yes | No |
| References | Up to 14 reference images and 3 voice references | — |
| Access | ||
| Weights | Proprietary | Proprietary |
| API model ID | grok-imagine-video-1.5 | — |
| API hosts | 2 | 3 (best) |
| Released | May 30, 2026 | Oct 15, 2025 |
Which should you choose?
Which is better, Grok Imagine Video 1.5 or Veo 3.1?
For image to video, voters prefer Grok Imagine Video 1.5 (Grok Imagine Video 1.5 1,456 (#8) · Veo 3.1 1,398 (#13)). Arena scores come from blind, side-by-side human votes on the same prompts; when the gap is inside both models’ error margins we call it a tie. Test your own prompts before you commit.
Which is cheaper?
Grok Imagine Video 1.5 costs from $0.08/s (480p), up to $0.25/s (1080p); Veo 3.1 costs from $0.20/s (720p–1080p), up to $0.60/s (4K, with audio). A 10-second clip at the lowest rate: Grok Imagine Video 1.5 $0.80, Veo 3.1 $2.00. 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; Veo 3.1: 4, 6 or 8 s, 720p / 1080p / 4K.
What is the difference between Grok Imagine Video 1.5 and Veo 3.1?
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. Veo 3.1 is a video model from Google (Oct 15, 2025), taking text prompts, reference images and video and producing video with sound.
Which is newer?
Grok Imagine Video 1.5 May 30, 2026; Veo 3.1 Oct 15, 2025.
Which generates video with sound?
Generates an audio track with the video: Grok Imagine Video 1.5 yes; Veo 3.1 yes.
Can I run any of these on my own hardware?
No open weights. Both are available only through APIs and apps.