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AI video model comparison

Sora 2 Pro vs Gen-4.5

By Megaton TeamJuly 22, 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

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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
#14
Price per minute
$18.00/min
Runway

Runway

Gen-4.5

40.0Overall score
Rank
#18
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.

142
videos rated
4,002
measurements
568
ratings
July 22, 2026
last updated

Reviewer scores

Scores by category

Sora 2 Pro wins 10 of 13 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

13 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
Anime Animation
37.0
52.5
Hands
67.2
48.0
Actor Performance
84.0
38.0
Objects
51.0
42.4
Animals
51.0
40.2
Text Fidelity
30.5
30.5

Technical reliability

How reliably does each model deliver clean video?

These checks look for freezes, bad framing, compression problems, and unstable motion. They are kept separate from the reviewer scores above.

Sora 2 Pro
26 videos rated · Jul 2026
Gen-4.5
116 videos rated · Jul 2026

File reliability checks

Playback, framing, and motion stability

Sora 2 ProGen-4.5

Sora 2 Pro's biggest lead: Motion stability, 60.0 versus 43.0.

Gen-4.5's biggest lead: Technical cleanliness, 62.0% versus 58.0%.

Technical cleanliness
58.0%
62.0%

Clips with no freezes, bad framing, or severe compression problems.

Freeze-free playback
96.0%
97.0%

Clips that play without stalls or frozen frames.

Clean framing
92.0%
91.0%

Clips without unexpected black bars or cropped edges.

Motion stability
60.0
43.0

How consistently surfaces hold their shape and texture while moving.

Edge stability
62.0
66.0

How consistently object outlines remain clean while moving.

Side-by-side video tests

Same prompt, side by side

Both videos in each row were generated from the prompt shown. Watch them side by side to compare how each model handled the same request.

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.

Show the full prompt

Street-level Tokyo: kanji, hiragana, katakana everywhere. Shop signs, vending machines, posters we follow a woman walking down the street.

Text videos generated from the same prompt by Sora 2 Pro and Gen-4.5
Sora 2 Pro
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.

Show the full prompt

Close-up: a match strikes, flares to life, lights a candle. The match head, the flame birth, the wick catching. Material accuracy across wood, phosphorus, wax, fire.

Physics videos generated from the same prompt by Sora 2 Pro and Gen-4.5
Sora 2 Pro
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.

Show the full prompt

POV from inside a car trunk looking up at three figures who've just opened it. Wide lens, dramatic lighting from below, the perspective is specific and iconic.

Cinematography videos generated from the same prompt by Sora 2 Pro and Gen-4.5
Sora 2 Pro
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.

More comparisons

More AI video model comparisons

Browse more head-to-head results, including scores, prices, and side-by-side video tests.

Other AI video model comparison pages
ComparisonProvidersOverall scores
Seedance 2.0 vs Sora 2 ProByteDanceOpenAI73.0 / 50.0
Kling 3 Pro vs Sora 2 ProKlingOpenAI62.0 / 50.0
Kling 2.6 vs Sora 2 ProKlingOpenAI60.0 / 50.0
Seedance 2.0 vs Gen-4.5ByteDanceRunway73.0 / 40.0
Veo 3 vs Sora 2 ProGoogleOpenAI60.0 / 50.0
Grok Imagine 1.0 vs Sora 2 ProxaiOpenAI58.0 / 50.0
Kling 3 Pro vs Gen-4.5KlingRunway62.0 / 40.0
Veo 2 vs Sora 2 ProGoogleOpenAI56.0 / 50.0
Veo 3.1 vs Sora 2 ProGoogleOpenAI56.0 / 50.0
Kling 2.6 vs Gen-4.5KlingRunway60.0 / 40.0
Veo 3 vs Gen-4.5GoogleRunway60.0 / 40.0
PixVerse v5.5 vs Sora 2 ProPixVerseOpenAI55.0 / 50.0
Grok 2025 vs Sora 2 ProxaiOpenAI54.0 / 50.0
Grok Imagine 1.0 vs Gen-4.5xaiRunway58.0 / 40.0
Seedance 1.5 Pro vs Sora 2 ProByteDanceOpenAI53.0 / 50.0
Veo 2 vs Gen-4.5GoogleRunway56.0 / 40.0
Veo 3.1 vs Gen-4.5GoogleRunway56.0 / 40.0
Veo 3.1 Fast vs Sora 2 ProGoogleOpenAI51.0 / 50.0
PixVerse v5.5 vs Gen-4.5PixVerseRunway55.0 / 40.0
Grok 2025 vs Gen-4.5xaiRunway54.0 / 40.0
Sora 2 Pro vs Veo 3 FastOpenAIGoogle50.0 / 48.0
Seedance 1.5 Pro vs Gen-4.5ByteDanceRunway53.0 / 40.0
Sora 2 Pro vs Vidu Q2OpenAIVidu50.0 / 45.0
Sora 2 Pro vs LTX-2 19BOpenAILightricks50.0 / 43.0
Veo 3.1 Fast vs Gen-4.5GoogleRunway51.0 / 40.0
Sora 2 Pro vs Pika v2.2 Text-to-VideoOpenAIPika50.0 / 26.0
Veo 3 Fast vs Gen-4.5GoogleRunway48.0 / 40.0
Sora 2 Pro vs Infinity StarOpenAIFoundationVision50.0 / 24.0
Vidu Q2 vs Gen-4.5ViduRunway45.0 / 40.0
LTX-2 19B vs Gen-4.5LightricksRunway43.0 / 40.0
Gen-4.5 vs Pika v2.2 Text-to-VideoRunwayPika40.0 / 26.0
Gen-4.5 vs Infinity StarRunwayFoundationVision40.0 / 24.0

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.

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 142 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.
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