xAI launches Grok Imagine API to create videos with audio

xAI has introduced Grok Imagine API, a set of tools for creating and editing videos with audio from text or images. The offering covers the entire creative process, from turning a photo into a moving scene to modifying a complex sequence with written instructions.

The model generates video and audio natively. That means it does more than produce moving images: it can also add sound, effects and dialogue within the same workflow. For a creator, for example, an image of a character can become a scene with movement, ambient sound and a specific action.

From an idea to an editable video

Grok Imagine lets you create a sequence from a text prompt, animate an existing image or refine a video that has already been generated. Announced features include:

• Adding, removing or replacing objects while maintaining visual consistency.
• Changing a scene’s weather, season, time of day or lighting.
• Modifying specific colors and elements to showcase a product.
• Applying different visual styles to the same footage.
• Animating characters based on your own performance.
• Creating videos in vertical, horizontal and other aspect ratios ready for different platforms.

The value lies in being able to iterate without starting over. If a scene needs another object, different lighting or a style closer to retro anime, you can request the change directly and continue working from the same idea.

Speed is part of the product too

xAI says Grok Imagine reaches a quality level comparable to that of leading providers today, but it focuses on two practical factors: latency and cost. Latency is the time the system takes to respond, which matters when a team needs to test many versions of a scene.

In the comparison published by xAI, Grok Imagine ranks first against Veo 3.1 Fast, Veo 3, Sora 2 Pro and Sora 2, taking score, speed and price into account. The information provided does not include specific cost or response-time figures, so the result should be understood as xAI’s evaluation, not as a detailed independent measurement.

The difference can be noticeable in tasks such as preparing an ad. Instead of waiting for each version to finish before testing the next one, a team can explore several visual directions in parallel: one more realistic, another with an animation style and another adapted to vertical video.

Available through partners and the xAI API

Grok Imagine API is available both on xAI’s own platform and through partner platforms. The company mentions use cases for creators, educators, designers, influencers and businesses, as well as third-party integrations such as ComfyUI and HeyGen.

Early comments from those partners highlight three aspects: video generation with audio, control over style and the ability to make quick adjustments through instructions. HeyGen, for example, is integrating the model into its video agent to allow direct changes to clips without having to start over.

For you, this means creating a short video may depend less on a full production process and more on describing precisely what you want to see. The final quality will still depend on the instructions, editing and how the material is used, but the process of testing ideas becomes faster and more flexible.

The next thing to watch is practical access: pricing, usage limits, maximum clip duration and the availability of each feature on partner platforms. Grok Imagine’s promise is not only to generate appealing videos, but to make testing, correcting and testing again viable for more people.