Grok Imagine Prompts: 14 That Work, and How to Use Grok Imagine

Grok Imagine prompts fail for a reason that has nothing to do with wording. People write them like text-to-image prompts — describing a subject — when what the model needs is a description of movement. Once you switch to writing motion, the hit rate changes immediately.

Here is how it is wired on SynthPulse, the prompt structure that works, and 14 prompts you can paste in.

How Grok Imagine works here

On SynthPulse, Grok Imagine 1.5 is an image-to-video model. It does not generate a clip from a prompt alone — you bring the still, and Grok animates it. That is worth stating plainly, because a lot of writing about Grok Imagine describes the app experience, where image generation and animation sit behind one button.

Which means the workflow is two steps, not one:

1. Make or upload the still. The Image studio has Nano Banana Pro (45 credits), Seedream 5.0 Pro (18 credits at 1K), Nano Banana (10 credits), and GPT Image 2 (15 credits) — the last is the one to use when there is readable text in the frame.
2. Take it to the Video studio, pick Grok Imagine 1.5, attach the still, and write a motion prompt.

The upside of this split is control. You settle the composition, the lighting and the framing at image prices, and then only iterate on the movement.

What it costs

Grok Imagine 1.5, in credits:

• 480p / 4s — 24
• 480p / 8s — 48
• 720p / 4s — 45
• 720p / 8s — 90
• 720p / 12s — 135

That is the cheapest animation on the platform by a wide margin. For comparison, the same 4 seconds at 720p costs 140 credits on Kling 3.0 Pro and 410 on Seedance 2.0. At 24 credits a try, you can afford to be wrong ten times and still have spent less than one Seedance 2.0 clip.

Grok Imagine 1.5 tops out at 720p here — 1080p is not one of its options.

The four-slot prompt

An image-to-video prompt has four jobs, and only four:

1. What moves — the specific thing in the frame that animates.
2. How the camera behaves — including "does not move," which is a real and frequently correct answer.
3. Pace — slow, steady, gentle, brisk. Short clips look wrong when motion is too fast.
4. What must not change — the anchor that stops the model redrawing your image.

Notice what is missing: any description of the subject. The model can see the subject. Describing it again is an invitation to reinterpret it.

14 prompts

Portraits

Her hair and the collar of her jacket move slightly in the wind. She blinks once and her gaze stays on camera. Camera is completely still. Background does not change.

He turns his head slowly to the left, stopping in profile. Nothing else in the frame moves. Locked-off camera, no zoom.

Subtle breathing motion in the shoulders, one slow blink. Camera pushes in very slightly over the full clip. Expression unchanged throughout.

Product

The bottle stays exactly where it is. Camera orbits slowly to the right around it, about 30 degrees total, staying level. Lighting and shadows stay consistent.

Steam rises steadily from the cup. The cup does not move. Camera holds still. No other motion in frame.

Camera pushes in slowly toward the watch face. The watch stays still and in focus. Background falls further out of focus as the camera moves.

Food

Sauce drips slowly off the edge of the spoon. Everything else on the plate is still. Camera holds a static overhead shot.

Gentle rising steam from the bowl, slight shimmer on the broth surface. No camera movement. Nothing else changes.

Landscape and weather

Clouds drift slowly left to right. The water surface ripples gently. The shoreline and rocks stay completely fixed. Camera is locked off.

Camera rises slowly and steadily. The treeline stays sharp. No tilt, no rotation, continuous upward movement for the whole clip.

Snow falls lightly and evenly through the frame. The cabin and the trees do not move at all. Static camera.

Character and atmosphere

The candle flame flickers. Shadows on the wall shift with it. The figure at the table stays still. Camera does not move.

Neon sign flickers once, halfway through. Rain falls steadily. The street and the parked car stay fixed. Locked-off camera.

Dust motes drift slowly through the shaft of light. Everything solid in the frame is motionless. Camera holds completely still.

The pattern behind every one: name the moving element, name the camera, name the anchor. Three sentences is usually enough.

Five ways these prompts go wrong

You re-described the subject. "A red vintage car on a coastal road at sunset, cinematic, driving fast" gives the model permission to redraw the car. Say "the car pulls away from camera, everything else holds still" instead.

You asked for a cut. "Then it cuts to a wide shot" produces a smear where the cut should be. One continuous action per clip; assemble cuts in an editor.

You left the camera unspecified. A model with no camera instruction will invent drift, and it is rarely the drift you wanted. "Camera does not move" is a legitimate and often ideal instruction.

Your still had small text in it. Lettering warps under motion — it is the first thing to break. Keep text large and near the center, or keep it out of the animated region entirely.

You asked for too much at once. Two moving elements is fine. Five is a mess. If the shot needs five, that is two clips.

Clips come back without audio

Grok Imagine clips arrive silent, so plan to add sound in your edit. A track from the Song studio draws from the same credit balance, so it is one purchase, not two. If a shot genuinely needs synchronized dialogue generated with the video, Veo 3.1 Fast (150 credits) is the model on the platform that returns its own audio.

A cheap way to work

At 24 credits per 480p attempt, the sensible loop is:

1. Settle the still first. Composition mistakes are far cheaper to fix in the Image studio.
2. Run the motion prompt at 480p until the movement is right. Budget three or four tries — that is under 100 credits.
3. Re-run the exact same prompt at 720p for the final. 45 credits.
4. Everything lands in your Library.

Total for a finished 4-second clip: roughly 160 credits including the still. A month of the Pro plan is 5,000.

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More on the model: Grok Imagine on SynthPulse. Start with the still in the Image studio, or go straight to the Video studio.