video model comparison
Gemini Omni 1.2 Flash vs Grok Imagine Video 1.5
Gemini Omni 1.2 Flash and Grok Imagine Video 1.5 are both current video models, from Google and xAI. Gemini Omni 1.2 Flash lists $0.07 (720p) and Grok Imagine Video 1.5 $0.08 per video second, at different tiers, so the prices are not like for like. On Arena Text-to-Video, Gemini Omni 1.2 Flash scores 1541 Elo and Grok Imagine Video 1.5 1486 Elo (Arena, measured November 5, 2026).
Data verified November 6, 2026 · Dataset 2026-11-06
Side by side
Gemini Omni 1.2 Flash and Grok Imagine Video 1.5, line by line
Prices in effect today, compared at the same tier wherever both list one. The better value in each row is highlighted.
| Fact | Gemini Omni 1.2 Flash | Grok Imagine Video 1.5 |
|---|---|---|
| Price | ||
| Price per video second | $0.07 (720p) | $0.08 |
| Independent benchmarks | ||
| Arena Text-to-Video | 1541 Elo (#1 of 6) (better) | 1486 Elo (#2 of 6) |
| Arena Image-to-Video | 1502 Elo (#1 of 5) (better) | 1454 Elo (#3 of 5) |
| Artificial Analysis Video Arena (image to video) | Not measured | 1051 Elo (#2 of 3) |
| Artificial Analysis Video Arena (text to video) | Not measured | 1058 Elo (#2 of 3) |
| Specs | ||
| Provider | xAI | |
| Release date | November 5, 2026 | Not reported |
| Access | API only | API only |
| Context window | 131,072 tokens | Not reported |
| Max output | 65,536 tokens | Not reported |
| Input | text, image, video | text, image |
| Output | video, audio, text | video |
The two list prices for different tiers, shown in brackets, so neither is marked cheaper.
Scores:Arena · 2026-11-06Artificial Analysis · 2026-11-03Artificial Analysis · 2026-11-03
Charts
Against every current video model
Where Gemini Omni 1.2 Flash and Grok Imagine Video 1.5 land among the current models of their task, on every independent benchmark, on price and on context.
Where each stands
On Arena Text-to-Video, Gemini Omni 1.2 Flash ranks #1 and Grok Imagine Video 1.5 #2 of 6 current models. Each bar is the share of current models it beats: on score, price and context.
Independent benchmarks
Arena Text-to-Video
Gemini Omni 1.2 Flash:#1of 6
1,541 Elo · ahead of 100%
Grok Imagine Video 1.5:#2of 6
1,486 Elo · ahead of 80%
Arena Image-to-Video
Gemini Omni 1.2 Flash:#1of 5
1,502 Elo · ahead of 100%
Grok Imagine Video 1.5:#3of 5
1,454 Elo · ahead of 50%
Artificial Analysis Video Arena (image to video)
Gemini Omni 1.2 Flash: Not scored
Grok Imagine Video 1.5:#2of 3
1,051 Elo · ahead of 50%
Artificial Analysis Video Arena (text to video)
Gemini Omni 1.2 Flash: Not scored
Grok Imagine Video 1.5:#2of 3
1,058 Elo · ahead of 50%
Price and context
Price per video second
Gemini Omni 1.2 Flash:#4of 8
$0.07 · cheaper than 57%
Grok Imagine Video 1.5:#5of 8
$0.08 · cheaper than 43%
Quality against price
Gemini Omni 1.2 Flash scores 1,541 at $0.07; Grok Imagine Video 1.5 scores 1,486 at $0.08 (price per video second). The line joins the current models no other beats on both price and Arena Text-to-Video score; hover any point to name it.
Quality against price: the data
| Model | Provider | Price per video second | Arena Text-to-Video (Elo) |
|---|---|---|---|
| Gemini Omni 1.2 Flash | $0.070 | 1,541 | |
| Grok Imagine Video 1.5 | xAI | $0.080 | 1,486 |
| Dreamina Seedance 2.5 | ByteDance Seed | $0.23 | 1,480 |
| Veo 3.1 Preview | $0.40 | 1,363 | |
| grok-imagine-video | xAI | $0.050 | 1,341 |
Cost
What each costs
Example workloads at each provider's listed rates, then every other rate either one lists. The cheaper figure in each row is highlighted.
| Workload or rate | Gemini Omni 1.2 Flash | Grok Imagine Video 1.5 |
|---|---|---|
| Example workloads | ||
| One minute of video | $4.20 (720p) | $4.80 |
| Other listed rates | ||
| 1M output tokens, video | $12 | Not listed |
Your own bill will differ. These figures use list prices and example workloads. The AI Model Cost Audit reviews your real usage, shortlists models that score as well for each task for less, and estimates the savings.
Launch price $100, regular price $150
Verdict
When to choose each
Gemini Omni 1.2 Flash
Where it leads
- Higher Arena Text-to-Video score, 1541 Elo vs 1486 Elo
- Higher Arena Image-to-Video score, 1502 Elo vs 1454 Elo
- Accepts video input
- Also outputs audio and text
- Supports video editing
Best for
- Short clips with sound and consistent characters that need conversational edits
Watch out for
- Arena's ratings rest on 2,745 votes or fewer per board so far, far fewer than older video models
- 1080p and 4K come from upsampling, and first-and-last-frame interpolation is limited to 3 to 10 seconds
- Paid tier only: there is no free-tier access in the Gemini API
Grok Imagine Video 1.5
Where it leads
No measured lead over Gemini Omni 1.2 Flash in this data.
Best for
- Short 1080p clips with sound
Watch out for
- Editing and extending videos still use the older grok-imagine-video model
- xAI lists one $0.080 per second price with no breakdown by resolution
- xAI has not published a release date
From benchmark to production
Building on Gemini Omni 1.2 Flash or Grok Imagine Video 1.5?
Public scores rarely hold on your own data. We test both models on your real tasks, then build the agent or pipeline around the one that wins.
AI Model Cost AuditLaunch price $100, regular price $150What the audit includes
FAQ
Gemini Omni 1.2 Flash vs Grok Imagine Video 1.5 FAQ
Which is cheaper, Gemini Omni 1.2 Flash or Grok Imagine Video 1.5?
Gemini Omni 1.2 Flash lists $0.07 (720p) and Grok Imagine Video 1.5 $0.08 per video second, at different tiers, so the prices are not like for like.
Which scores higher on independent benchmarks, Gemini Omni 1.2 Flash or Grok Imagine Video 1.5?
Gemini Omni 1.2 Flash leads on Arena Text-to-Video, 1541 Elo to 1486 Elo; Gemini Omni 1.2 Flash leads on Arena Image-to-Video, 1502 Elo to 1454 Elo. Scores are independent evaluations, not either vendor's launch figures.
How do Gemini Omni 1.2 Flash and Grok Imagine Video 1.5 differ in features?
Gemini Omni 1.2 Flash takes text, image and video input; Grok Imagine Video 1.5 takes text and image. Gemini Omni 1.2 Flash produces video, audio and text; Grok Imagine Video 1.5 produces video. Only Gemini Omni 1.2 Flash supports video editing.
Further reading
More on Gemini Omni 1.2 Flash and Grok Imagine Video 1.5
Related comparisons
- Dreamina Seedance 2.5 vs Gemini Omni 1.2 Flash
- Gemini Omni Flash 1.1 vs Grok Imagine Video 1.5
- Gemini Omni 1.2 Flash vs Gemini Omni Flash 1.1
- Dreamina Seedance 2.5 vs Grok Imagine Video 1.5
- Gemini Omni 1.2 Flash vs grok-imagine-video
- Grok Imagine Video 1.5 vs Veo 3.1 Preview
- Gemini Omni 1.2 Flash vs Veo 3.1 Preview
- Grok Imagine Video 1.5 vs Grok Imagine Video 1.5 Lite
- Gemini Omni 1.2 Flash vs Gen-4.5
- grok-imagine-video vs Grok Imagine Video 1.5
- Gemini Omni 1.2 Flash vs Grok Imagine Video 1.5 Lite
- Gen-4.5 vs Grok Imagine Video 1.5
Production evaluation
Choosing between Gemini Omni 1.2 Flash and Grok Imagine Video 1.5?
Public benchmarks narrow the shortlist. We run both on your own tasks, data and cost limits, then build the routing and review controls to run the winner in production.
- A head-to-head evaluation on your real workload
- Routing between models by cost and difficulty