Grok Video
xAI · AI videoGrok Imagine is xAI's multimodal system for generating images and video. Its video capability supports text-to-video and image-to-video with strong cinematic motion and realistic object interactions. xAI has positioned Grok Imagine as a competitive option in benchmarks that measure quality, latency, and cost—often ranking highly for text-to-video.
The model is available through the Grok Imagine API for developers and on X (Twitter) and partner platforms. On VidMachine, Grok Video is available as an efficient, high-quality option for short-form clips, often with competitive speed and cost compared to other premium models. You can use it as a primary or fallback video model alongside Veo, Sora, and others.
Whether you are producing social clips, ads, or narrative shorts, Grok Video is built to deliver consistent quality and prompt adherence with fast turnaround. Its integration with Grok Imagine's image model also makes it a natural fit when you want to keep visual style consistent from key frame to motion.
Key features and benefits
Text-to-video and image-to-video
Grok Imagine generates video from text prompts or from a starting image. You get flexible clip lengths and multiple aspect ratios, with solid prompt adherence and motion quality that suits social and marketing content. The model understands cinematic language—camera moves, pacing, and action—so you can describe the shot you want in natural language and get coherent output. Image-to-video mode is especially useful when you have a strong key frame from an image model and want to animate it without losing fidelity.
Cinematic motion and consistency
The model understands cinematic motion and object interactions well, producing coherent movement and timing. It has ranked highly in third-party text-to-video benchmarks for quality, latency, and cost. That makes it a practical choice when you want reliable output without the highest per-second price. Consistency across frames and good object persistence help avoid the flicker and morphing that can appear in lower-tier video models.
Video editing with language
Beyond generation, Grok Imagine can restyle scenes, add or remove objects, and control motion via natural language, giving you an integrated workflow for quick iterations. You can refine a clip without starting from scratch—change the lighting, insert an object, or adjust the motion direction. This is useful for rapid prototyping and for fixing small issues in an otherwise good generation.
API and platform access
xAI offers the Grok Imagine API for developers, and the model is available on X (Twitter) and partner platforms. VidMachine uses it via API for automated video generation in your projects. Free and paid tiers on X may have different limits; on VidMachine, usage is governed by your plan and credit balance.
Technical specifications
ModesText-to-video, image-to-video
ResolutionUp to 720p (Grok Imagine 1.0)
DurationUp to ~10 seconds
Aspect ratiosMultiple supported
AccessGrok Imagine API, X, partners
Use cases and applications
Grok Video fits creators and brands who want fast, high-quality short clips for YouTube Shorts, TikTok, and ads. Its balance of quality and speed makes it suitable for volume production and testing ideas before switching to higher-cost models. When you need many clips in a short time, Grok Video can help you hit deadlines without sacrificing too much quality.
Use it for social content, product teasers, and narrative shorts where you want consistent motion and good prompt following. Pairing Grok Image for start frames with Grok Video for clips on VidMachine can give you a streamlined, style-consistent pipeline. For cost-sensitive campaigns, Grok Video is often a strong default before moving to Veo or Sora for hero shots.
Agencies and in-house teams can use Grok Video for rapid iteration and A/B testing of concepts. The editing capabilities allow quick tweaks without full regen, which can speed up feedback loops.
Why this model
Grok Imagine video is often cited for strong benchmark results relative to latency and cost. It is a practical choice when you want reliable quality without the highest per-second credit cost. VidMachine uses it as part of a multi-model priority so you can combine speed and quality—for example, try Grok first and fall back to Veo or Sora when you need maximum fidelity.
If you already use or prefer xAI's ecosystem, Grok Video pairs naturally with Grok Image for a unified image-to-video workflow. On VidMachine, setting both in your project keeps provider and style consistent and can simplify budgeting since both tend to be cost-effective relative to some alternatives.
How VidMachine uses it
Select Grok Video in your project's video model priority on VidMachine. It is used to generate video clips from prompts and start frames. You can set it as primary or fallback with Veo, Sora, or other models. See Pricing and Docs for credits.
Credits are consumed per second of generated video. Grok Video typically uses fewer credits per second than Veo 3.1 or Sora 2, so it can be a good choice for high-volume or cost-conscious projects.
What you should know
Is Grok Imagine the same for images and video?
Grok Imagine is one system with both image and video capabilities. VidMachine uses the image model for start frames and the video model for clips.
What resolution does Grok Video output?
Grok Imagine 1.0 supports up to 720p video; check xAI docs for the latest specs.
How does Grok Video compare to Veo or Sora on VidMachine?
Grok Video typically uses fewer credits per second and can be faster. Veo and Sora offer different strengths in audio, resolution, and controllability. You can set a priority order in your project.
How are Grok Video credits charged on VidMachine?
Video generation with Grok Video uses credits per second. See the Pricing page for exact rates.