AI BriefingGrok Imagine Video 1.5
·2026.06.16 09:00
Key point
xAI has released Grok Imagine Video 1.5, featuring faster speed, an improved physics engine, and audio synchronization.
Details
xAI has officially launched Grok Imagine Video 1.5, which significantly improves quality and speed compared to the existing model. This update is an Image-to-Video model that greatly enhances the implementation of physical laws and audio generation capabilities.
The key improvements are as follows:
- Audio and Voice: Sound effects, ambient sounds, and dialogue are generated in perfect sync with the video's motion.
- Motion and Physics Engine: Motion is maintained without distortion throughout the video, and weight and momentum are expressed more realistically.
- Generation Speed: The Grok Imagine Video 1.5 Fast model takes about 25 seconds to generate a 6-second video at 720p resolution, roughly 2x faster than the previous model (40+ seconds).
Additionally, new features have been introduced to assist the creative workflow: Projects (organizing tasks), Multiple agents (parallel generation), and Search (library search). The model is now available to developers via the xAI API (grok-imagine-video-1.5).
