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First subscription · First month 35% off / first year 25% off
Official resolutions, durations, inputs and audio support in one table.
| Brand | xAI |
| Type | Video generation (Image / Text -> Video) |
| Max resolution | 480p · 720p |
| Max duration | 6s · 10s (cap 10s) |
| Native audio | Supported |
| Inputs supported | image · text |
| Aspect ratios | 16:9 · 9:16 · 1:1 · 3:2 · 2:3 |
| Editorial rating | 4.0 / 5.0 |
| Credit range | 10 – 30 credits / job |
Grok Imagine turns a static image into a 6-second video clip. Upload a photo, write a short motion prompt, and get an MP4 back in about 10 seconds. It is free — 20 generations per day with no subscription. Motion quality works for social posts and concept tests, but falls short for commercial work. Illustrated and AI-generated images produce the most consistent results; real photos sometimes cause background warping after the 3-second mark.
Illustrated and digital art converts cleanly — fewer artifacts and more consistent motion than photos
Non-realistic styles hide model imperfections — glowing effects and abstract backgrounds look natural in motion
10-second generation means you can test ideas fast before committing credits to a heavier model
Zero cost per generation — iterate on prompts without burning credits
Copy these prompts to use directly, or tweak them to fit your needs.
slow dolly push in, shallow depth of field, hair moves slightly in breeze
Portrait with subtle motion and depth
camera slowly rises, clouds move left to right, warm light from below
Landscape with vertical camera move
slow zoom out, dust particles floating, no camera shake
Controlled zoom-out with particles
Drag an image into the workspace. PNG, JPG, WebP supported. Images under 4MB with a clear subject work best.
Stick to one movement per prompt. "slow dolly in" or "camera pans left" — not both. The model handles one action at a time.
Generation takes about 10 seconds. When reviewing, scrub to the 3-4s mark first — background artifacts usually appear there. Download if clean.
Combining "dolly in" + "pan left" + "zoom out" confuses the model. Pick one. "slow dolly in" works reliably; stacking movements causes jitter.
slow dolly push in, shallow depth of field
One detail like "dust floating" or "light flickers" is enough. Two or more competing effects reduce quality.
camera slowly rises, warm light from below
Short prompts produce cleaner results. Beyond 15 words the model starts ignoring later instructions.
Free. 6-second 480p video costs 10 credits. You get 5 free credits daily — enough to try one video per day at zero cost. No subscription needed.
Runway has better color science and higher fidelity but costs 12+ credits per video. Test ideas on Grok for free, then use Runway for the final version.
Hailuo 02 handles human faces and expressions better. Use Grok for illustrated or fantasy content, Hailuo for portraits with people.
Grok Imagine is best for AI-generated illustrations. Its strongest advantage is Free — 20 videos per day, no subscription needed, while the key limitation is Max 720p — fine on phones, soft on desktop monitors. For lower iteration cost, validate prompts on free models first, then switch to this model for final renders.
Grok Imagine vs Hailuo 02
Grok Imagine is faster and ships with audio for ideation; Hailuo 02 is more stable on portraits and natural human motion when you need character fidelity.
Grok Imagine vs HappyHorse 1.0
Grok Imagine wins on iteration speed and casual content; HappyHorse wins on resolution ceiling, duration, and audio support inside the free tier.
Grok Imagine vs Kling 3.0
Grok Imagine is the free ideation layer; Kling 3 is the final-render layer. Most production pipelines use both — Grok for testing, Kling 3 for delivery.
Jump straight into the generator workspace, upload one photo, and test your first AI video now.