Grok Imagine Video 1.5 vs MiniMax H3
Preferred for image to video: MiniMax H3 · Newest: MiniMax H3 · Widest inputs: MiniMax H3. 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
MiniMax
MiniMax H3
- Arena1,495
- From—
- Max length—
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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 videoMiniMax H3Grok Imagine Video 1.5 1,456 (#8) · MiniMax H3 1,495 (#1) — blind human votes
- NewestMiniMax H3Grok Imagine Video 1.5 May 30, 2026 · MiniMax H3 Jul 31, 2026
- Widest inputsMiniMax H3Grok Imagine Video 1.5: Text prompts, Reference images, Audio · MiniMax H3: Text prompts, Reference images, Audio, Video
- Native audioBoth generate soundGenerates an audio track with the video: Grok Imagine Video 1.5 yes · MiniMax H3 yes
- Image to videoBoth animate imagesStarts from an uploaded image: Grok Imagine Video 1.5 yes · MiniMax H3 yes
- Self-hostingMiniMax H3Downloadable weights (MiniMax H3 Community License Agreement)
- Most API hostsGrok Imagine Video 1.5Grok Imagine Video 1.5: 2 · MiniMax H3: 1
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 | — | 1,460 ±9#8 of 48 · 11,417 votes |
| Image to video arenaElo-style score · higher is better | 1,456 ±4#8 of 48 · 137,459 votes | 1,495 ±5#1 of 48 · 57,112 votes (best) |
| Price | ||
| Starting price | $0.08/s 480p | — |
| Top price | $0.25/s 1080p | — |
| 10-second clip | $0.80at the starting rate | — |
| Extra charges | $0.01 per input image | — |
| How it is billed | Per second | — |
| Output | ||
| Produces | Video with sound | Video with sound |
| Resolutions | 480p · 720p · 1080p | — |
| Highest resolution | 1080p | — |
| Clip length | 1–15 s | — |
| Longest clip | 15 s | — |
| Sound | Always generated | Always generated |
| Frame control | 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 | — |
| Access | ||
| Weights | Proprietary | OpenMiniMax H3 Community License Agreement |
| API model ID | grok-imagine-video-1.5 | — |
| API hosts | 2 (best) | 1 |
| Released | May 30, 2026 | Jul 31, 2026 |
Which should you choose?
Which is better, Grok Imagine Video 1.5 or MiniMax H3?
For image to video, voters prefer MiniMax H3 (Grok Imagine Video 1.5 1,456 (#8) · MiniMax H3 1,495 (#1)). 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). A 10-second clip at the lowest rate: Grok Imagine Video 1.5 $0.80. MiniMax H3 has no published per-second price. 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; MiniMax H3: length not published.
What is the difference between Grok Imagine Video 1.5 and MiniMax H3?
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. MiniMax H3 is a video model from MiniMax (Jul 31, 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; MiniMax H3 Jul 31, 2026.
Which generates video with sound?
Generates an audio track with the video: Grok Imagine Video 1.5 yes; MiniMax H3 yes.
Can I run any of these on my own hardware?
MiniMax H3. Downloadable weights (MiniMax H3 Community License Agreement).