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Legacy evaluation · V1

Seedance 1.5 Pro vs Gen-4.5

By Megaton TeamJuly 22, 2026

Seedance 1.5 Pro is the better overall choice over Gen-4.5. It scores higher in most quality categories shown and costs less.

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Seedance 1.5 Pro
Gen-4.5
Our verdict

Seedance 1.5 Pro is the better choice

Seedance 1.5 Pro scores higher than Gen-4.5 in most quality categories shown. Its biggest lead is in scene consistency, and it also costs less.

ByteDance

ByteDance

Seedance 1.5 Pro

53.0Overall score
Rank
—
Price per minute
$3.11/min
Runway

Runway

Gen-4.5

40.0Overall score
Rank
#13
Price per minute
$7.20/min

Best for

Highest overall score

Seedance 1.5 Pro

Seedance 1.5 Pro leads the overall score by 13.0 points.

The overall score does not measure file reliability.

Best for

More readable text

Gen-4.5

Gen-4.5 leads by 25.5 points.

Long or moving text still needs manual review.

Best for

Lower generation cost

Seedance 1.5 Pro

Seedance 1.5 Pro runs $3.11/min, against $7.20/min for Gen-4.5.

Provider prices can change.

Best for

Built-in audio

Seedance 1.5 Pro

Seedance 1.5 Pro generates audio with the video; Gen-4.5 does not.

This comparison does not score audio quality.

81
videos rated
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measurements
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ratings
July 22, 2026
last updated

Reviewer scores

Scores by category

Seedance 1.5 Pro wins 8 of 11 categories head-to-head. Each bar is the reviewer score out of 100.

Biggest gapScene Consistency: Seedance 1.5 Pro ahead by 38.1 points.
Closest categoryPhysics: Gen-4.5 ahead by 0.9 points.

Head-to-head scores

11 categories rated head-to-head

Seedance 1.5 ProGen-4.5
Physics
36.6
37.4
Prompt Adherence
67.3
47.0
Logic Consistency
38.7
35.6
Scene Consistency
76.2
38.1
Cinematography
62.7
44.0
2D Animation
59.0
41.0
3D Animation
69.0
38.5
Actor Performance
68.3
38.0
Objects
38.4
42.4
Animals
50.1
40.2
Text Fidelity
5.0
30.5

Side-by-side video tests

Matched outputs, side by side

Each row uses the same evaluation input for both models. The underlying prompt and decision record are reserved for the full report.

Video test 1

Text

Spelling, letter shape, spacing, and whether the words remain stable while the scene moves.

Related category score

Gen-4.5 leads here by 25.5 points.

Matched Text outputs from Seedance 1.5 Pro and Gen-4.5
Loading video
Seedance 1.5 Pro
Loading video
Gen-4.5

Video test 2

Physics

Weight, contact, momentum, and whether objects continue to behave consistently from frame to frame.

Related category score

Gen-4.5 leads here by 0.9 points.

Matched Physics outputs from Seedance 1.5 Pro and Gen-4.5
Loading video
Seedance 1.5 Pro
Loading video
Gen-4.5

Video test 3

Cinematography

Framing, camera movement, lighting continuity, and whether the visual treatment follows the prompt.

Related category score

Seedance 1.5 Pro leads here by 18.7 points.

Matched Cinematography outputs from Seedance 1.5 Pro and Gen-4.5
Loading video
Seedance 1.5 Pro
Loading video
Gen-4.5

Capabilities

Inputs and outputs

See full Seedance 1.5 Pro detailsSee full Gen-4.5 details
CapabilitySeedance 1.5 ProGen-4.5
Text inputYesYes
Image inputYesYes
Video inputNoYes
Audio inputNoNo
Image outputNoNo
Audio outputYesNo

FAQ

Common questions

Is Seedance 1.5 Pro better than Gen-4.5?

Seedance 1.5 Pro is better overall and leads most quality categories.

Is Seedance 1.5 Pro cheaper than Gen-4.5?

Seedance 1.5 Pro costs less at $3.12 per minute, compared with $7.20 for Gen-4.5.

Does Seedance 1.5 Pro generate audio?

Yes, Seedance 1.5 Pro includes audio output.

Does Gen-4.5 generate audio?

No, Gen-4.5 does not include audio output.

Which model makes longer clips, Seedance 1.5 Pro or Gen-4.5?

Seedance 1.5 Pro supports longer clips at 12 seconds, compared with 10 seconds for Gen-4.5.

Which model scores higher on Scene Consistency, Seedance 1.5 Pro or Gen-4.5?

Seedance 1.5 Pro scores higher for scene consistency.

Which model scores higher on 3D Animation, Seedance 1.5 Pro or Gen-4.5?

Seedance 1.5 Pro scores higher for 3D animation.

How are Seedance 1.5 Pro and Gen-4.5 compared?

Megaton gives both models the same prompts and compares the resulting videos. Price, audio support, and maximum clip length are also checked.

Continue researching

Seedance 1.5 Pro

Gen-4.5

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Methodology

How we tested Seedance 1.5 Pro and Gen-4.5

We score two things separately: how good the video looks to a reviewer, and how reliably the file itself holds up. A model can make great-looking footage and still deliver clips with freezes, bad framing, or unstable motion.

We test every model with v-benchmark v2.0, our benchmark for AI video models — the same prompts, professional reviewers, and automated reliability checks behind every score here.

Reviewer scores
Both models receive the same prompts. Professional reviewers score how well each video follows the prompt and handles motion, composition, people, objects, animals, animation, and on-screen text. Scores use a 0-100 scale.
File reliability
Automated checks review 0 clips for freezes, bad framing, compression problems, unstable motion, distorted geometry, exposure problems, and invalid file properties.
Missing scores
Categories with a score for only one model are shown but excluded from the head-to-head win count. Price and generation speed stay separate because they use different units.
Last updated
Reviewer scores and rankings use results from July 22, 2026. Reliability results use the latest completed test for each model. Provider prices and rankings can change.
How v-benchmark v2.0 worksView the complete leaderboardRead model evaluation reports
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