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FLUX 3 Video vs Grok Imagine Video 1.5

Black Forest Labs against xAI. Prices, scores and speed below are live.

  • Grok Imagine Video 1.5 costs 53% less on price per second ($0.12 against $0.26 per second at the cheapest setting).
  • People prefer FLUX 3 Video in blind votes on LMArena's text-to-video arena: rated 1,491 against 1,486 Elo, a gap within the arena's usual margin.
  • On the 2 benchmarks both have scores on, FLUX 3 Video leads on 1 and Grok Imagine Video 1.5 on 1.
  • FLUX 3 Video is newer: listed Aug 4, 2026, against Jul 20, 2026.
Try FLUX 3 VideoTry Grok Imagine Video 1.5

Side by side

FLUX 3 VideoGrok Imagine Video 1.5
LabBlack Forest LabsxAI
ListedAug 4, 2026Jul 20, 2026
Per second, cheapest setting$0.26$0.12
Per second, top setting$0.61$0.38
A typical clip$1.27$0.60
Resolutions720p, 1080p, 2K, 4K480p, 720p, 1080p
Clip length5 to 20 s1 to 15 s
Opens on your imageYesYes
Follows reference imagesNoNo
Arena rating (LMArena)1,491 Elo1,486 Elo

Every benchmark both are scored on

Each model's best score per benchmark, with its source. Scores from different sources or settings are not always comparable; each links to where it was published.

BenchmarkFLUX 3 VideoGrok Imagine Video 1.5
LMArena: Image to Video1451 EloLMArena1454 EloLMArena
LMArena: Text to Video1491 EloLMArena1486 EloLMArena

In our tests and guides

Where FLUX 3 Video or Grok Imagine Video 1.5 ran on a real brief, or shows in a live table.

More comparisons

Where these figures come from

Prices are GenMagic's own, what the studio and the API charge, recomputed from each provider's price list every few minutes. The ratings are LMArena's blind human votes, and every benchmark score links to its source, re-read daily. Measured speed is GenMagic's own generation records, in aggregate. See Black Forest Labs models, xAI models, every video model's price and our sources.