Video generation · Detailed review
xAI
Grok Imagine Video
« The cheapest video with audio. 6–15 seconds at 720p. Perfect for fast iteration. »
RadarOnAI score
/ 10 · in-house test
§ Product preview
Score
8.0/10
weighted average
Price
$0.05 /sec — SuperGrok €30
indicative
Specialty
Latency + price
editorial verdict
Vendor
xAI
iOS · Web · 720p · 6–15s
Category
Video generation
6/6 on the ranking
§3.2+ Strengths
- 01Unbeatable pricing ($0.05/sec)
- 02Native audio included
- 03Stable image-to-video and text-to-video
§3.3− Weaknesses
- 01720p only (no 4K)
- 02Short clips (15s max)
§04How it positions
Grok against the segment average.
Tool score
8.0
/ 10
Segment average
8.8
average across 6 tools
Position
6/6
RadarOnAI ranking
§ Try Grok live
We use it in editorial. If video generation is part of your daily work and Grok Imagine Video ticks your use cases, an hour with it beats every review on the planet.
External link ↗ — opens the official site in a new tab.
§05Also worth comparing
Three other video models to look at.
Google DeepMind · #1
Veo 3.1
9.4
/10
« Top of the text-to-video and image-to-video leaderboard. The only true 4K. Native synchronised audio. »
Native 4KRead the review →
Kuaishou · #2
Kling 3.0
9.0
/10
« The best for faces, expression and human motion. Clips up to 5 minutes. »
Human motionRead the review →
Runway · #3
Runway Gen-4.5
8.9
/10
« Full creative platform, best in class for camera control and cinematic effects. »
Camera controlRead the review →