Video model comparison
Grok Imagine Video 1.5 vs Veo 3.1
xAI's Grok Imagine Video 1.5 and Google's Veo 3.1, side by side: price per second, resolution, clip length, audio and references — and when to choose which. Both run on one Cheaper Gen. API key.
Veo 3.1Price
Grok Imagine Video 1.5 vs Veo 3.1: price per second
Live prices at the tiers both models offer, with audio. Official list prices are on each model's pricing page.
| Tier | Grok Imagine Video 1.5 | Veo 3.1 | Per clip | Cheaper |
|---|---|---|---|---|
| 720pwith audio | $0.0248/s | $0.1719/s | $0.12 · $1.38 5 s · 8 s | Grok Imagine Video 1.5 −86% |
| 1080pwith audio | $0.22/s | $0.352/s | $1.10 · $2.82 5 s · 8 s | Grok Imagine Video 1.5 −38% |
Specs
Side-by-side specifications
From each model's API parameters in our catalog.
| Spec | Grok Imagine Video 1.5 | Veo 3.1 |
|---|---|---|
| Developer | xAI | |
| Released | May 30, 2026 | Oct 15, 2025 |
| Tasks | Text to video, Reference to video | Text to video, Image to video |
| Resolutions | 480p · 720p · 1080p | 720p · 1080p · 4K |
| Clip length | 1–15 s | 4, 6, 8 s |
| Audio | Included at no extra cost | Optional, billed at a higher rate |
| Image-to-video | — | First + last frame |
| Reference inputs | Up to 7 images | — |
| Aspect ratios | 7 (16:9, 9:16, 1:1, 4:3, 3:4, 3:2…) | 2 (16:9, 9:16) |
| Starting price | $0.0248/s (720p) | $0.1719/s (720p + audio) |
| Below official price | up to 82% | up to 57% |
Verdict
When to choose which
Each point below comes from the price and spec data above.
Choose Grok Imagine Video 1.5 for
- Lower price: $0.0248/s vs $0.1719/s at 720p with audio (86% less).
- Longer clips: up to 15 s vs 8 s.
- Audio included at no extra cost (the other bills audio at a higher rate).
- More reference inputs: up to 7 images.
- More aspect ratios: 7 vs 2.
- Supports reference to video.
- Newer model (released May 30, 2026).
Grok Imagine Video 1.5 at a glance
- Up to 1080p — 480p, 720p and 1080p
- 1–15 seconds — Pay per second
- Native audio — Included
- References — Image references
Choose Veo 3.1 for
- Higher maximum resolution: 4K vs 1080p.
- First and last frame control for image-to-video.
- Supports image to video.
Veo 3.1 at a glance
- Up to 4K — 720p, 1080p and 4K
- Native audio — Dialogue, effects, ambience
- 4 / 6 / 8 s — Pay per second
- Frames — First & last frame control
Try both with the same prompt
Same API key and balance; only the endpoint changes. Failed generations are refunded.
POST /api/v1/run/xai/grok-imagine-video/text-to-video
POST /api/v1/run/google/veo-3.1/text-to-videoFAQ
Grok Imagine Video 1.5 vs Veo 3.1 questions
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Grok Imagine Video 1.5 is developed by xAI; Veo 3.1 by Google. Cheaper Gen. provides API access to both through official upstream endpoints and does not own either model. Trademarks belong to their respective owners.