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video model comparison

Dreamina Seedance 2.5 vs Gen-4.5

Dreamina Seedance 2.5 and Gen-4.5 are both current video models, from ByteDance Seed and Runway. On Arena Text-to-Video, Dreamina Seedance 2.5 scores 1474 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

Dreamina Seedance 2.5 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.

FactDreamina Seedance 2.5Gen-4.5
Price
Price per video second$0.231 (720p)Not listed
Independent benchmarks
Arena Text-to-Video1474 Elo (#2 of 5) (better)1225 Elo (#5 of 5)
Arena Image-to-Video1477 Elo (#2 of 5)Not measured
Artificial Analysis Video Arena (image to video)1157 Elo (#1 of 4)Not measured
Artificial Analysis Video Arena (text to video)1155 Elo (#1 of 4)Not measured
Specs
ProviderByteDance SeedRunway
Release dateNot reportedNot reported
AccessAPI onlyAPI only
Context windowNot reportedNot reported
Max outputNot reportedNot reported
Inputtext, image, videotext, image
Outputvideovideo

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 Dreamina Seedance 2.5 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, Dreamina Seedance 2.5 ranks #2 and Gen-4.5 #5 of 5 current models. Each bar is the share of current models it beats: on score, price and context.

Dreamina Seedance 2.5 and Gen-4.5 among the current video models, one row per benchmark, price and context window.

Independent benchmarks

Arena Image-to-Video

Dreamina Seedance 2.5:#2of 5

1,477 Elo · ahead of 75%

Gen-4.5: Not scored

Arena Text-to-Video

Dreamina Seedance 2.5:#2of 5

1,474 Elo · ahead of 75%

Gen-4.5:#5of 5

1,225 Elo · ahead of 0%

Artificial Analysis Video Arena (image to video)

Dreamina Seedance 2.5:#1of 4

1,157 Elo · ahead of 100%

Gen-4.5: Not scored

Artificial Analysis Video Arena (text to video)

Dreamina Seedance 2.5:#1of 4

1,155 Elo · ahead of 100%

Gen-4.5: Not scored

Price and context

Price per video second

Dreamina Seedance 2.5:#7of 8

$0.231 · cheaper than 14%

Gen-4.5: Not listed

Quality against price

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

Dreamina Seedance 2.5 scores 1,477 at $0.231 (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, Dreamina Seedance 2.5 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)Dreamina Seedance 2.5
Quality against price: the data
Arena Image-to-Video score against price for 5 video models, Dreamina Seedance 2.5 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 rateDreamina Seedance 2.5Gen-4.5
Example workloads
One minute of video$13.86 (720p)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

Book the cost audit

Verdict

When to choose each

Dreamina Seedance 2.5

Where it leads

  • Higher Arena Text-to-Video score, 1474 Elo vs 1225 Elo
  • Accepts video input
  • Supports video editing

Best for

  • Multi-shot clips up to 30 seconds
  • Timestamp-precise video editing

Watch out for

  • Billed by tokens, not seconds: the recorded per-second rates are BytePlus estimates for a 5-second 16:9 clip without video input
  • Requests with video input count the input duration and carry a minimum charge
  • BytePlus dates the release only to June 2026

Gen-4.5

Where it leads

No measured lead over Dreamina Seedance 2.5 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 Dreamina Seedance 2.5 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

Dreamina Seedance 2.5 vs Gen-4.5 FAQ

Which scores higher on independent benchmarks, Dreamina Seedance 2.5 or Gen-4.5?

Dreamina Seedance 2.5 leads on Arena Text-to-Video, 1474 Elo to 1225 Elo. Scores are independent evaluations, not either vendor's launch figures.

How do Dreamina Seedance 2.5 and Gen-4.5 differ in features?

Dreamina Seedance 2.5 takes text, image and video input; Gen-4.5 takes text and image. Only Dreamina Seedance 2.5 supports video editing.

Production evaluation

Choosing between Dreamina Seedance 2.5 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