xAI previews Grok Imagine Video 1.5, topping Arena's image-to-video leaderboard

xAI/Grok Imagine

xAI released a preview of Video 1.5, which animates a still image into a 720p clip directed by plain-language prompts for camera movement, pacing and sound. A Video Extend feature chains clips into longer scenes.

• Gained 52 Elo points on Arena.ai's image-to-video board as of May 30, 2026.
• Ahead of Seedance 2.0 and HappyHorse 1.0 there.
• Offered to developers through the API.