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Legacy evaluation · V1

Grok 2025 vs Infinity Star

By Megaton TeamJuly 22, 2026

Grok 2025 is the better overall choice over Infinity Star. It scores higher in every quality category shown.

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Grok 2025
Infinity Star
Our verdict

Grok 2025 is the better choice

Grok 2025 scores higher than Infinity Star in every quality category shown. Its biggest lead is in 2D animation, and it also is the only model here with audio output.

xAI

xAI

Grok 2025

54.0Overall score
Rank
—
Price per minute
$4.20/min
FoundationVision (ByteDance)

FoundationVision (ByteDance)

Infinity Star

24.0Overall score
Rank
—
Price per minute
$0.84/min

Best for

Highest overall score

Grok 2025

Grok 2025 leads the overall score by 30.0 points.

The overall score does not measure file reliability.

Best for

More readable text

Grok 2025

Grok 2025 leads by 35.3 points.

Long or moving text still needs manual review.

Best for

Lower generation cost

Infinity Star

Infinity Star runs $0.84/min, against $4.20/min for Grok 2025.

Provider prices can change.

Best for

Built-in audio

Grok 2025

Grok 2025 generates audio with the video; Infinity Star does not.

This comparison does not score audio quality.

88
videos rated
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measurements
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ratings
July 22, 2026
last updated

Reviewer scores

Scores by category

Grok 2025 wins 11 of 12 categories head-to-head. Each bar is the reviewer score out of 100.

Biggest gap2D Animation: Grok 2025 ahead by 62.8 points.
Closest categoryActor Performance: level

Head-to-head scores

12 categories rated head-to-head

Grok 2025Infinity Star
Physics
45.9
14.5
Prompt Adherence
54.5
48.0
Logic Consistency
43.3
23.8
Scene Consistency
66.9
23.4
Cinematography
52.7
29.6
2D Animation
72.5
9.7
3D Animation
67.7
25.7
Human
57.9
25.0
Actor Performance
34.7
34.7
Objects
53.1
26.0
Animals
54.5
39.4
Text Fidelity
37.0
1.7

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

Grok 2025 leads here by 35.3 points.

Matched Text outputs from Grok 2025 and Infinity Star
Loading video
Grok 2025
Loading video
Infinity Star

Video test 2

Physics

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

Related category score

Grok 2025 leads here by 31.4 points.

Matched Physics outputs from Grok 2025 and Infinity Star
Loading video
Grok 2025
Loading video
Infinity Star

Video test 3

Cinematography

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

Related category score

Grok 2025 leads here by 23.1 points.

Matched Cinematography outputs from Grok 2025 and Infinity Star
Loading video
Grok 2025
Loading video
Infinity Star

Capabilities

Inputs and outputs

See full Grok 2025 detailsSee full Infinity Star details
CapabilityGrok 2025Infinity Star
Text inputYesYes
Image inputYesYes
Video inputYesNo
Audio inputNoNo
Image outputYesNo
Audio outputYesNo

FAQ

Common questions

Is Grok 2025 better than Infinity Star?

Grok 2025 is better overall and scores higher in every quality category.

Is Grok 2025 cheaper than Infinity Star?

Infinity Star costs less at $0.84 per minute, compared with $4.20 for Grok 2025.

Does Grok 2025 generate audio?

Yes, Grok 2025 includes audio output.

Does Infinity Star generate audio?

No, Infinity Star does not include audio output.

Which model makes longer clips, Grok 2025 or Infinity Star?

Grok 2025 supports longer clips at 15 seconds, compared with 5 seconds for Infinity Star.

Which model scores higher on 2D Animation, Grok 2025 or Infinity Star?

Grok 2025 scores higher for 2D animation.

Which model scores higher on Scene Consistency, Grok 2025 or Infinity Star?

Grok 2025 scores higher for scene consistency.

How are Grok 2025 and Infinity Star 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

Grok 2025

Infinity Star

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Methodology

How we tested Grok 2025 and Infinity Star

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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