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video model comparison

Gemini Omni Flash 1.1 vs Gen-4.5

Gemini Omni Flash 1.1 and Gen-4.5 are both current video models, from Google and Runway. On Arena Text-to-Video, Gemini Omni Flash 1.1 scores 1516 Elo and Gen-4.5 1225 Elo (Arena, measured September 22, 2026).

Data verified November 3, 2026 · Dataset 2026-11-03

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Side by side

Gemini Omni Flash 1.1 and Gen-4.5, line by line

Prices in effect today, compared at the same tier wherever both list one. The better value in each row is highlighted.

FactGemini Omni Flash 1.1Gen-4.5
Price
Price per video second$0.10 (720p)Not listed
Independent benchmarks
Arena Text-to-Video1516 Elo (#1 of 5) (better)1225 Elo (#5 of 5)
Arena Image-to-Video1488 Elo (#1 of 5)Not measured
Artificial Analysis Video Arena (image to video)1046 Elo (#3 of 4)Not measured
Artificial Analysis Video Arena (text to video)1129 Elo (#2 of 4)Not measured
Specs
ProviderGoogleRunway
Release dateAugust 27, 2026Not reported
AccessAPI onlyAPI only
Context window1,048,576 tokensNot reported
Max outputNot reportedNot reported
Inputtext, image, videotext, image
Outputvideo, audiovideo

Scores:Arena · 2026-11-03Artificial Analysis · 2026-11-03Artificial Analysis · 2026-11-03

Open both in the interactive comparison

Charts

Against every current video model

Where Gemini Omni Flash 1.1 and Gen-4.5 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 Flash 1.1 ranks #1 and Gen-4.5 #5 of 5 current models. Each bar is the share of current models it beats: on score, price and context.

Gemini Omni Flash 1.1 and Gen-4.5 among the current video models, one row per benchmark, price and context window.

Independent benchmarks

Arena Image-to-Video

Gemini Omni Flash 1.1:#1of 5

1,488 Elo · ahead of 100%

Gen-4.5: Not scored

Arena Text-to-Video

Gemini Omni Flash 1.1:#1of 5

1,516 Elo · ahead of 100%

Gen-4.5:#5of 5

1,225 Elo · ahead of 0%

Artificial Analysis Video Arena (image to video)

Gemini Omni Flash 1.1:#3of 4

1,046 Elo · ahead of 33%

Gen-4.5: Not scored

Artificial Analysis Video Arena (text to video)

Gemini Omni Flash 1.1:#2of 4

1,129 Elo · ahead of 67%

Gen-4.5: Not scored

Price and context

Price per video second

Gemini Omni Flash 1.1:#5of 8

$0.10 · cheaper than 29%

Gen-4.5: Not listed

Quality against price

Arena Image-to-Video · measured September 22, 2026

Gemini Omni Flash 1.1 scores 1,488 at $0.1 (price per video second). The line joins the current models no other beats on both price and Arena Image-to-Video score; hover any point to name it.

Quality against priceArena Image-to-Video score against price for 5 video models, Gemini Omni Flash 1.1 and Gen-4.5 marked.1,3801,4001,4201,4401,4601,4801,500$0.10$0.30MOST ATTRACTIVE QUADRANTMedian price $0.10Median 1,456Price per second of video, log scaleArena Image-to-Video (Elo)Gemini Omni Flash 1.1
Quality against price: the data
Arena Image-to-Video score against price for 5 video models, Gemini Omni Flash 1.1 and Gen-4.5 marked.
ModelProviderPrice per video secondArena Image-to-Video (Elo)
Gemini Omni Flash 1.1Google$0.101,488
Dreamina Seedance 2.5ByteDance Seed$0.231,477
Grok Imagine Video 1.5xAI$0.0801,456
grok-imagine-videoxAI$0.0501,415
Veo 3.1 PreviewGoogle$0.401,398

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 rateGemini Omni Flash 1.1Gen-4.5
Example workloads
One minute of video$6 (720p)Not listed
Other listed rates
1M output tokens, video$17.50Not 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

Book the cost audit

Verdict

When to choose each

Gemini Omni Flash 1.1

Where it leads

  • Higher Arena Text-to-Video score, 1516 Elo vs 1225 Elo
  • Accepts video input
  • Also outputs audio
  • Supports video editing

Best for

  • Short clips with sound that need conversational edits

Watch out for

  • Each clip is 3 to 10 seconds; extensions add 10 seconds at a time up to 40 seconds
  • Editing uploaded videos is not available in every region, and voice editing is not supported

Gen-4.5

Where it leads

No measured lead over Gemini Omni Flash 1.1 in this data.

Best for

  • Runway API video generation

Watch out for

  • No per-second price is recorded here, so cost comparisons leave it out

From benchmark to production

Building on Gemini Omni Flash 1.1 or Gen-4.5?

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 Flash 1.1 vs Gen-4.5 FAQ

Which scores higher on independent benchmarks, Gemini Omni Flash 1.1 or Gen-4.5?

Gemini Omni Flash 1.1 leads on Arena Text-to-Video, 1516 Elo to 1225 Elo. Scores are independent evaluations, not either vendor's launch figures.

How do Gemini Omni Flash 1.1 and Gen-4.5 differ in features?

Gemini Omni Flash 1.1 takes text, image and video input; Gen-4.5 takes text and image. Gemini Omni Flash 1.1 produces video and audio; Gen-4.5 produces video. Only Gemini Omni Flash 1.1 supports video editing.

Production evaluation

Choosing between Gemini Omni Flash 1.1 and Gen-4.5?

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