Gemini Omni 1.2 Flash vs Grok Imagine Video 1.5

Google against xAI. Prices, scores and speed below are live.

  • Gemini Omni 1.2 Flash costs 71% less on price per second ($0.035 against $0.12 per second at the cheapest setting).
  • People prefer Gemini Omni 1.2 Flash in blind votes on LMArena's text-to-video arena: rated 1,541 against 1,486 Elo.
  • On the 2 benchmarks both have scores on, Gemini Omni 1.2 Flash leads on 2 and Grok Imagine Video 1.5 on 0.
  • Gemini Omni 1.2 Flash is newer: listed Nov 5, 2026, against Jul 20, 2026.

Side by side

Gemini Omni 1.2 FlashGrok Imagine Video 1.5
LabGooglexAI
ListedNov 5, 2026Jul 20, 2026
Per second, cheapest setting$0.035$0.12
Per second, top setting$0.31$0.38
A typical clip$0.17$0.60
Resolutions720p, 1080p, 4K, 360p480p, 720p, 1080p
Clip length3 to 15 s1 to 15 s
Opens on your imageYesYes
Follows reference imagesNoNo
Arena rating (LMArena)1,541 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.

BenchmarkGemini Omni 1.2 FlashGrok Imagine Video 1.5
LMArena: Image to Video1502 EloLMArena1454 EloLMArena
LMArena: Text to Video1541 EloLMArena1486 EloLMArena

In our tests and guides

Where Gemini Omni 1.2 Flash 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 Google models, xAI models, every video model's price and our sources.