A text prompt transforming into a cinematic video frame
Text to Video

Grok Imagine Text to Video: A Prompt Formula That Holds Together

Grok Imagine text to video turns a written prompt into a short clip — 4 to 15 seconds, in 768P or 2K. The model reads your subject, action, setting, camera direction, and mood, then generates motion to match. Results are best when the prompt reads like a shot instruction, not a story.

Updated 2026-10-13Jump to FAQ

What Grok Imagine text to video does well

Text to video is the purest way to test an idea: no source image, no reference uploads — just a prompt and a set of generation settings. That freedom is also why it rewards a clear, structured prompt more than any other workflow.

  • Exploring a brand-new scene — a location, mood, or visual style you want to see before committing to full production.
  • Product and brand concepts: describe the object, the lighting, and the camera move, and get a pitch clip from one generation.
  • Shot planning: test framing and camera movement cheaply before a real shoot.
  • Social concepts: vertical 9:16 hooks and openers built from a single sentence.
  • Style studies: run the same scene through different lighting, eras, and film-stock descriptions.

The six-part prompt formula

A prompt that holds motion together answers six questions, in order. Skip one and the model fills the gap with something generic.

PartWhat to writeExample
SubjectWho or what the shot is about, with one or two concrete details.A weathered silver watch on dark stone
ActionOne main action — not three. The model holds a single motion far better than a sequence.The camera pushes forward as dust drifts
SettingPlace, time of day, and atmosphere.A dim studio at night, single soft key light
CameraShot size plus movement: wide, close-up, tracking, pan, static.Slow push-in, shallow depth of field
LightingDirection and quality of light.Low-key rim light, warm highlight on the glass
Mood and styleThe finish: filmic, documentary, product commercial, animation.Premium product commercial, 35mm film look

Generate your first text-to-video clip

  1. Write the promptUse the six-part formula above. Keep it to three or four sentences — short prompts usually move better than long ones.
  2. Choose duration and resolutionStart with a 5-second clip at 768P to test the idea. Move to 2K and 10-15 seconds once the motion works.
  3. Pick an aspect ratio16:9 for cinema and web, 9:16 for Shorts and Reels, 1:1 for feeds, 21:9 for scope. Auto follows your references.
  4. Review the credit estimate and generateThe button shows the credit cost before you continue. When the clip finishes, download it — and re-run with one changed variable if you want a variant.

Five prompt mistakes that ruin motion

  • Multiple actions in one clip. “He runs, jumps, then turns and smiles” splits the model’s attention — generate each beat separately or describe one continuous movement.
  • Abstract emotion words. “Make it emotional” gives the model nothing to draw. Name the visible signal instead: a hand tightening, a slow exhale, rain on a window.
  • No camera instruction. Without a shot size or movement, framing is a lottery. Even “static wide shot” is better than silence.
  • Conflicting style cues. “Photorealistic anime watercolor” forces the model to average contradictory looks. Pick one visual direction.
  • On-screen text requests. Generated lettering is still the weakest part of every video model. Add titles and captions in editing instead.
Example prompt that works: A silver watch rests on dark stone. The camera slowly pushes forward as fine dust drifts through a single beam of light. Low-key lighting, warm highlight on the glass. Premium product commercial, 35mm film look.

What text to video can’t do (yet)

Text to video is the most flexible input and the hardest to control. Three honest caveats:

  • No exact text or logo rendering inside the frame.
  • No frame-accurate choreography — describe the motion arc, not every beat.
  • Character identity drifts between generations. Use image or multimodal references for recurring subjects.
  • Fine detail like hands and fast cross-motion remains the weakest area — keep the subject at medium distance for the cleanest results.

Frequently asked questions

What is Grok Imagine text to video?+

It is a generation mode that turns a written prompt into a short video clip — up to 15 seconds and up to 2K on this studio — by describing the subject, action, setting, camera, lighting, and style in natural language.

Is Grok Imagine video generation free?+

You can create an account and use starter credits to test the workflow end to end. Ongoing generation runs on credit plans; the pricing page lists the current options.

How long can a text-to-video clip be?+

Between 4 and 15 seconds per generation on this studio. For longer sequences, generate several clips from a consistent prompt and cut them together in an editor.

Why does my clip ignore part of the prompt?+

Usually because the prompt is overloaded. Trim it to one action, one camera move, and one lighting setup, then re-generate. Details added after the main clause are the first ones the model drops.

Should I generate at 768P or 2K?+

Test at 768P, deliver at 2K. Motion and composition rarely change between the two, so you can iterate cheaply and re-run the winning prompt at full resolution.

Related guides

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Every Grok Imagine video limit in one place — 4-15 second clips, 768P vs 2K, 9 image and 12 material caps, and what happens when you hit a limit.

Read guide

Turn Your Prompt Into a Clip

Start from text, keep the six-part formula, and generate a 4-15 second clip in up to 2K.

See Plans
Grok Imagine Text to Video: Prompts That Work