Video model comparison
Grok Imagine Video 1.5 vs Grok Imagine Video 1.5 Lite
xAI's Grok Imagine Video 1.5 and xAI's Grok Imagine Video 1.5 Lite, side by side: price per second, resolution, clip length, audio and references — and when to choose which. Both run on one CheaperGen API key.
Price
Grok Imagine Video 1.5 vs Grok Imagine Video 1.5 Lite: 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 | Grok Imagine Video 1.5 Lite | Per clip | Cheaper |
|---|---|---|---|---|
| 480pwith audio | $0.0736/s | $0.0146/s With a monthly plan: Pro $0.0139Max $0.0133 | $0.37 · $0.073 5 s each | Grok Imagine Video 1.5 Lite −80% |
| 720pwith audio | $0.0675/s With a monthly plan: Pro $0.0633Max $0.059 | $0.0219/s With a monthly plan: Pro $0.0209Max $0.0199 | $0.34 · $0.11 5 s each | Grok Imagine Video 1.5 Lite −68% |
| 1080pwith audio | $0.23/s | $0.1021/s With a monthly plan: Pro $0.0973Max $0.0925 | $1.15 · $0.52 5 s each | Grok Imagine Video 1.5 Lite −56% |
Monthly plans lower prices on most models (shown under each price); you can still pay as you go. Pro $499/month · Max $4,999/month.
Specs
Side-by-side specifications
From each model's API parameters in our catalog.
| Spec | Grok Imagine Video 1.5 | Grok Imagine Video 1.5 Lite |
|---|---|---|
| Developer | xAI | xAI |
| Released | May 30, 2026 | Oct 1, 2026 |
| Tasks | Text to video, Reference to video | Text to video, Image to video |
| Resolutions | 480p · 720p · 1080p | 480p · 720p · 1080p |
| Clip length | 1–15 s | 1–15 s |
| Audio | Included at no extra cost | Included at no extra cost |
| Image-to-video | — | First frame |
| Reference inputs | Up to 7 images | — |
| Aspect ratios | 7 (16:9, 9:16, 1:1, 4:3, 3:4, 3:2…) | 7 (16:9, 9:16, 1:1, 4:3, 3:4, 3:2…) |
| Starting price | $0.0675/s (720p) | $0.0146/s (480p) |
| Below official price | up to 52% | up to 27% |
Verdict
When to choose which
Each point below comes from the price and spec data above.
Choose Grok Imagine Video 1.5 for
- More reference inputs: up to 7 images.
- Supports reference to video.
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 Grok Imagine Video 1.5 Lite for
- Lower price: $0.0219/s vs $0.0675/s at 720p with audio (68% less).
- Image-to-video from a first frame.
- Supports image to video.
- Newer model (released October 1, 2026).
Grok Imagine Video 1.5 Lite at a glance
- Lowest Grok price — From cents per second
- 1–15 seconds — Pay per second
- Native audio — Included
- First frame — Image to video
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/xai/grok-imagine-video-1.5-lite/text-to-videoFAQ
Grok Imagine Video 1.5 vs Grok Imagine Video 1.5 Lite questions
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Grok Imagine Video 1.5 is developed by xAI; Grok Imagine Video 1.5 Lite by xAI. CheaperGen provides API access to both and does not own either model. Trademarks belong to their respective owners.