AI Video Generation
Grok Imagine vs Luma (Dream Machine / Ray)
Which is better depends on the job. Here's how they compare on facts and — where we've run them — our standardized tests.
xAI's image and video generation in Grok.
AI video generation from text and images.
Which should you choose?
NOT YET TESTED We won't name a winner until both tools have completed the same test tasks. Until then, use the verified facts below.
Scores by job
| Job | Grok Imagine | Luma (Dream Machine / Ray) |
|---|---|---|
| Cinematic scene with a consistent character | NOT YET TESTED | NOT YET TESTED |
| 15-second product ad for Instagram/TikTok | NOT YET TESTED | NOT YET TESTED |
| Talking-avatar explainer / training video | NOT YET TESTED | NOT YET TESTED |
| Animate a product photo (image-to-video) | NOT YET TESTED | NOT YET TESTED |
| value video AI for solo creators | NOT YET TESTED | NOT YET TESTED |
Facts side by side
From official pages; "Not yet verified" means we haven't confirmed it yet.
| Grok Imagine | Luma (Dream Machine / Ray) | |
|---|---|---|
| Company | SpaceXAI | Luma AI |
| Starting price | API from $0.02/sec | from $30/mo |
| Free plan | Not yet verified | Not yet verified |
| Free trial | Not yet verified | Not yet verified |
| API | Yes | Yes |
| Commercial use | Not yet verified | Paid plans only |
| Last tested | Never | Never |
| Facts updated | Oct 8, 2026 | Oct 8, 2026 |
Grok Imagine vs Luma (Dream Machine / Ray): same prompt, raw outputs
Same input for every tool. We publish the first output (no cherry-picking), with the date, plan and model version used, plus a SHA-256 hash of the file.
When the test round runs, each task appears here as a row with one column per tool.
Head-to-head measurements
Objective metrics recorded by our test harness (same inputs for every tool). Raw outputs are archived as evidence.
Blind quality comparison
Subjective assessment by our evaluators, blind where possible. This is opinion, labelled as such — not a measured fact.
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New results, re-tests and major tool releases are posted on our updates page and in the RSS feed. We don’t collect email addresses.