xAI Releases Grok Imagine Video 1.5: #1 on Video Arena Leaderboard at $4.20/min
xAI
xAI released Grok Imagine Video 1.5 as generally available on June 17, 2026, reaching #1 on the Image-to-Video Arena leaderboard with a +52 Elo jump. The model generates native synchronized audio, with a 'fast' mode producing 6-second 720p clips in ~25 seconds. Pricing is $4.20/min — 86% cheaper than Sora 2's $30/min. Available on grok.com/imagine, iOS, Android, and via the Imagine API.
Why it matters
Grok Imagine Video 1.5 tops the benchmark leaderboard at a fraction of competitor prices, applying direct pressure on Sora 2 and other premium video generation services.
Importance: 3/5
Top-ranked video generation model at release with aggressive pricing — significant competitive move in the video generation space.
Sources
official
Grok Imagine Video 1.5