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Legacy evaluation · V1

Sora 2 Pro vs Gen-4.5

By Megaton TeamJuly 25, 2026

Sora 2 Pro is the better overall choice over Gen-4.5. It scores higher in nearly every quality category shown.

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Sora 2 Pro
Gen-4.5
Our verdict

Sora 2 Pro is the better choice

Sora 2 Pro scores higher than Gen-4.5 in nearly every quality category shown. Its biggest lead is in actor performance, and it also is the only model here with audio output.

OpenAI

OpenAI

Sora 2 Pro

50.0Overall score
Rank
—
Price per minute
$18.00/min
Runway

Runway

Gen-4.5

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

Best for

Highest overall score

Sora 2 Pro

Sora 2 Pro leads the overall score by 10.0 points.

The overall score does not measure file reliability.

Best for

Lower generation cost

Gen-4.5

Gen-4.5 runs $7.20/min, against $18/min for Sora 2 Pro.

Provider prices can change.

Best for

Built-in audio

Sora 2 Pro

Sora 2 Pro generates audio with the video; Gen-4.5 does not.

This comparison does not score audio quality.

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measurements
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ratings
July 25, 2026
last updated

Reviewer scores

Scores by category

Sora 2 Pro wins 9 of 11 categories head-to-head. Each bar is the reviewer score out of 100.

Biggest gapActor Performance: Sora 2 Pro ahead by 46.0 points.
Closest categoryText Fidelity: level

Head-to-head scores

11 categories rated head-to-head

Sora 2 ProGen-4.5
Physics
39.3
37.4
Prompt Adherence
50.0
47.0
Logic Consistency
35.0
35.6
Scene Consistency
49.5
38.1
Cinematography
53.3
44.0
2D Animation
60.3
41.0
3D Animation
48.0
38.5
Actor Performance
84.0
38.0
Objects
51.0
42.4
Animals
51.0
40.2
Text Fidelity
30.5
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

Sora 2 Pro and Gen-4.5 score level here.

Matched Text outputs from Sora 2 Pro and Gen-4.5
Loading video
Sora 2 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

Sora 2 Pro leads here by 1.9 points.

Matched Physics outputs from Sora 2 Pro and Gen-4.5
Loading video
Sora 2 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

Sora 2 Pro leads here by 9.3 points.

Matched Cinematography outputs from Sora 2 Pro and Gen-4.5
Loading video
Sora 2 Pro
Loading video
Gen-4.5

Capabilities

Inputs and outputs

See full Sora 2 Pro detailsSee full Gen-4.5 details
CapabilitySora 2 ProGen-4.5
Text inputYesYes
Image inputYesYes
Video inputNoYes
Audio inputNoNo
Image outputYesNo
Audio outputYesNo

FAQ

Common questions

Is Sora 2 Pro better than Gen-4.5?

Sora 2 Pro is better overall and leads most quality categories.

Is Sora 2 Pro cheaper than Gen-4.5?

Gen-4.5 costs less at $7.20 per minute, compared with $18 for Sora 2 Pro.

Does Sora 2 Pro generate audio?

Yes, Sora 2 Pro includes audio output.

Does Gen-4.5 generate audio?

No, Gen-4.5 does not include audio output.

Which model makes longer clips, Sora 2 Pro or Gen-4.5?

Sora 2 Pro supports longer clips at 12 seconds, compared with 10 seconds for Gen-4.5.

Which model scores higher on Actor Performance, Sora 2 Pro or Gen-4.5?

Sora 2 Pro scores higher for actor performance.

Which model scores higher on 2D Animation, Sora 2 Pro or Gen-4.5?

Sora 2 Pro scores higher for 2D animation.

How are Sora 2 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

Sora 2 Pro

Gen-4.5

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Methodology

How we tested Sora 2 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 25, 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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