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Legacy evaluation · V1

Grok Imagine 1.0 vs LTX-2 19B

By Megaton TeamJuly 22, 2026

Grok Imagine 1.0 is the better overall choice over LTX-2 19B. It scores higher in nearly every quality category shown.

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Grok Imagine 1.0
LTX-2 19B
Our verdict

Grok Imagine 1.0 is the better choice

Grok Imagine 1.0 scores higher than LTX-2 19B in nearly every quality category shown. Its biggest lead is in 3D animation, and it also supports longer clips.

xAI

xAI

Grok Imagine 1.0

58.0Overall score
Rank
—
Price per minute
$4.20/min
Lightricks

Lightricks

LTX-2 19B

43.0Overall score
Rank
—
Price per minute
$2.39/min

Best for

Highest overall score

Grok Imagine 1.0

Grok Imagine 1.0 leads the overall score by 15.0 points.

The overall score does not measure file reliability.

Best for

More readable text

Grok Imagine 1.0

Grok Imagine 1.0 leads by 49.7 points.

Long or moving text still needs manual review.

Best for

Lower generation cost

LTX-2 19B

LTX-2 19B runs $2.39/min, against $4.20/min for Grok Imagine 1.0.

Provider prices can change.

Best for

Built-in audio

LTX-2 19B

LTX-2 19B generates audio with the video; Grok Imagine 1.0 does not.

This comparison does not score audio quality.

85
videos rated
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measurements
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ratings
July 22, 2026
last updated

Reviewer scores

Scores by category

Grok Imagine 1.0 wins 10 of 12 categories head-to-head. Each bar is the reviewer score out of 100.

Biggest gap3D Animation: Grok Imagine 1.0 ahead by 56.7 points.
Closest categoryAnimals: LTX-2 19B ahead by 1.1 points.

Head-to-head scores

12 categories rated head-to-head

Grok Imagine 1.0LTX-2 19B
Physics
40.4
41.9
Prompt Adherence
66.7
50.0
Logic Consistency
66.7
16.8
Scene Consistency
54.9
52.2
Cinematography
60.7
53.4
2D Animation
71.7
55.0
3D Animation
85.0
28.3
Human
65.6
33.6
Actor Performance
64.0
54.3
Objects
54.7
47.6
Animals
53.6
54.6
Text Fidelity
69.0
19.3

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 Imagine 1.0 leads here by 49.7 points.

Matched Text outputs from Grok Imagine 1.0 and LTX-2 19B
Loading video
Grok Imagine 1.0
Loading video
LTX-2 19B

Video test 2

Physics

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

Related category score

LTX-2 19B leads here by 1.5 points.

Matched Physics outputs from Grok Imagine 1.0 and LTX-2 19B
Loading video
Grok Imagine 1.0
Loading video
LTX-2 19B

Video test 3

Cinematography

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

Related category score

Grok Imagine 1.0 leads here by 7.2 points.

Matched Cinematography outputs from Grok Imagine 1.0 and LTX-2 19B
Loading video
Grok Imagine 1.0
Loading video
LTX-2 19B

Capabilities

Inputs and outputs

See full Grok Imagine 1.0 detailsSee full LTX-2 19B details
CapabilityGrok Imagine 1.0LTX-2 19B
Text inputYesYes
Image inputYesYes
Video inputYesYes
Audio inputNoYes
Image outputNoNo
Audio outputNoYes

FAQ

Common questions

Is Grok Imagine 1.0 better than LTX-2 19B?

Grok Imagine 1.0 is better overall and leads most quality categories.

Is Grok Imagine 1.0 cheaper than LTX-2 19B?

LTX-2 19B costs less at $2.39 per minute, compared with $4.20 for Grok Imagine 1.0.

Does Grok Imagine 1.0 generate audio?

No, Grok Imagine 1.0 does not include audio output.

Does LTX-2 19B generate audio?

Yes, LTX-2 19B includes audio output.

Which model makes longer clips, Grok Imagine 1.0 or LTX-2 19B?

Grok Imagine 1.0 supports longer clips at 15 seconds, compared with 5 seconds for LTX-2 19B.

Which model scores higher on 3D Animation, Grok Imagine 1.0 or LTX-2 19B?

Grok Imagine 1.0 scores higher for 3D animation.

Which model scores higher on Logic Consistency, Grok Imagine 1.0 or LTX-2 19B?

Grok Imagine 1.0 scores higher for logical consistency.

How are Grok Imagine 1.0 and LTX-2 19B 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 Imagine 1.0

LTX-2 19B

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Methodology

How we tested Grok Imagine 1.0 and LTX-2 19B

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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