AI video model comparison
Grok Imagine Video vs Veo 3.1 Fast
Grok Imagine Video is 53% cheaper (price per second at 720p: Grok Imagine Video $0.18/s vs Veo 3.1 Fast $0.38/s). Grok Imagine Video has the cheapest clip, faster renders, longer clips and more reference images. Veo 3.1 Fast has a higher top resolution and native audio.
| Price | ||
|---|---|---|
| Cheapest second | $0.13/s (best) | $0.38/s |
| Per second at 480p | $0.13/s | Not offered |
| Per second at 720p | $0.18/s (best) | $0.38/s |
| Per second at 1080p | Not offered | $0.38/s |
| Cheapest clip | $0.14 (best) | $1.54 |
| A 5-second clip at 720p | $0.90 | Not offered |
| A 10-second clip at 1080p | Not offered | Not offered |
| Speed and length | ||
| Render time | ~1–2 min (best) | ~1–3 min |
| Longest clip | 15s (best) | 8s |
| Clip lengths | 1–15s | 4–8s |
| Output | ||
| Top resolution | 720p | 1080p (best) |
| Frames | 1:1 · 16:9 · 9:16 · 4:3 · 3:4 · 3:2 · 2:3 | 16:9 · 9:16 |
| Sound | — | Native (best) |
| Inputs | ||
| Takes | 8Text · 8 images | 3Text · 3 images |
| Reference images | Up to 8 (best) | Up to 3 |
| Needs | A prompt | A prompt |
| What it does | ||
| Can do | Text → videoImage → videoMulti-reference | Text → videoImage → videoMulti-reference |
| Good for | Fast drafts · Edgy creative · Memes | Cinematic look · Native audio · Dialogue scenes |
| Settings you control | Frame · Length · Resolution | Frame · Length · Audio · Negative prompt · People · Reference mode · Resolution · Seed |
Same prompt, side by side
None of these models has a render on OpenClips yet.
Which should you choose?
Choose Grok Imagine Video if you want
- a lower price per second at 720p
- the cheapest clip
- faster renders
- longer clips
- more reference images
- fast drafts
- edgy creative
Choose Veo 3.1 Fast if you want
- a higher top resolution
- native audio
- cinematic look
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Veo 3.1 Fast vs FLUX 3
Veo 3.1 Fast vs Veo 3.1How we compare
- Prices come from the live catalog at the pay-as-you-go rate. The quote before you generate is binding. Plans and packs
- Render times are the catalog’s own estimate for one render.
- Every clip and image on this page was rendered on OpenClips.
Questions
Grok Imagine Video vs Veo 3.1 Fast: questions
Grok Imagine Video costs the least here (price per second at 720p). Grok Imagine Video: $0.18/s. Veo 3.1 Fast: $0.38/s. Prices are at the pay-as-you-go rate. The quote before you generate is binding.
Grok Imagine Video is the fastest here. Grok Imagine Video takes ~1–2 min. Veo 3.1 Fast takes ~1–3 min.
Grok Imagine Video and Veo 3.1 Fast take a still as the first frame or a reference.
Grok Imagine Video makes up to 15 seconds. Veo 3.1 Fast makes up to 8 seconds.
Veo 3.1 Fast renders native audio with the picture. Grok Imagine Video: silent.