Runway
Gen3 Turbo
vs. Kling Pro

Exploring the strengths and weaknesses of two cutting-edge contenders in the video generation model space.

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Introduction

As the demand for high-quality video content continues to rise, AI-powered video generation tools like Runway and Kling have emerged as leading solutions for content creators. This article compares these two platforms based on their features, performance, and usability, drawing insights.

Specs

The latest advancements in AI video generation are showcased in the comparison between Runway Gen-3 Alpha Turbo and Kling Pro. Both models offer unique features and capabilities that cater to different user needs in video production.

Specification Runway Gen3 Alfa Turbo Kling Pro
Supported duration 5, 10 sec 5, 10 sec
Base prompt inputs Image Text, Image
Output resolution 1280x768, 768 x 1280 1280x720, 720 x 1280, 960 x 960
Frame rate 24 fps 30 fps

The main differences between Runway Gen-3 Alpha Turbo and Kling Pro lie in their input capabilities, output resolutions, and frame rates. 

Runway Gen-3 Alpha Turbo supports base prompt inputs of images only, while Kling Pro allows for both text and images, providing greater flexibility for users. In terms of output resolution, Runway Gen-3 Alpha Turbo offers resolutions of 1280x768 and 768x1280, whereas Kling Pro provides a broader range with resolutions of 1280x720, 720x1280, and 960x960.

Additionally, the frame rate is another distinguishing factor: Runway Gen-3 Alpha Turbo operates at 24 frames per second, while Kling Pro achieves a higher frame rate of 30 frames per second, which can enhance the smoothness of the video playback. Both models support video durations of 5 and 10 seconds, making them suitable for short video projects.

Most images generated with FLUX 1.1 [pro ultra]

If you're interested in comparisons of image generation models, be sure to check out our articles:

FLUX.1 vs. Stable Diffusion 3

FLUX.1 vs. DALL-E 3

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Practical tests

Note: The test winner is based on the author's subjective opinion and may differ from your perspective.

1.Let’s begin with a straightforward prompt featuring a single character:

The Easter bunny prepares food from ingredients. He takes seasoning and sprinkles it on food

Rabbit

Runway Gen3 Turbo output

Kling Pro output

Rabbit RunwayRabbit Kling
Original
Runway introduced a can that magically appears out of thin air, with seasoning spilling gracefully from its center.


Winner: ❌
Original
Kling has seasoning pouring out from the rabbit's feet as he takes it from a nearby bowl, though the seasoning's color is noticeably different from what’s in the bowl.

Winner: ✅

2. We all know how challenging it is for models to convincingly portray the act of eating. Let’s see how Runway and Kling tackle this task:

A cat sits at a table and eats pasta with a fork.
Cat

Runway Gen3 Turbo output

Kling Pro output

Cat RunwayCat Kling
Original
Runway features a cat awkwardly attempting to interact with a fork, but the cat's appearance is oddly distorted. Additionally, the sauce in the video looks unusually strange.

Winner: ❌
Original
Kling's cat appears quite realistic, but it completely ignores the fork, with the food somehow ending up outside of the intended area.


Winner: ✅

3. Let’s introduce a second character and see how the models manage the interaction:

The 3d animated woman takes food and gives it to the dog. Dog eats food.
Woman and dog

Runway Gen3 Turbo output

Kling Pro output

Woman and dog RunwayWoman and dog Kling
Original
Runway has an object appear out of nowhere again, which also starts levitating. However, the emotions of the girl and the dog are effectively conveyed, even though the dog’s eyes look strange at one point.

Winner: ✅
Original
At first glance, Kling does a good job, but upon closer inspection, the girl's eyes and the dog's eyes and mouth start to look unsettling, making the scene feel creepy.

Winner: ❌


4. Let's dive into sci-fi and see how the models animate the following scene:

Dynamic shot: A futuristic spaceship hurtles through an asteroid field, 
dodging massive rocks with precision. The camera tilts and swivels 
as it tracks the ship's rapid maneuvers, engines glowing blue 
and leaving streaks of light. Asteroids collide in the background, 
creating bursts of fiery debris.
Spaceship

Runway Gen3 Turbo output

Kling Pro output

Spaceship RunwaySpaceship Kling
Original
The ship suddenly changes course, flying in the opposite direction and encountering new obstacles. It looks good, but it doesn't look like the ship's design is capable of this.There is also quite a lot of dynamics and movement here.

Winner: ✅
Original
The camera circles around the ship as it shifts shape, before it is about to fly away.




Winner: ❌


5. Let’s test the models with people and see if they can accurately animate lip movements:

Woman in dramatic lighting speaking thoughtfully
Woman

Runway Gen3 Turbo output

Kling Pro output

Woman RunwayWoman Kling
Original
The lip movements are well-executed, but the hair appears unnatural, seemingly unaffected by gravity.

Winner: ✅
Original
Kling couldn't quite capture the lip movements of a conversation, but everything else was handled well.

Winner: ❌


6. Running animation:

Woman jogging.
Runnwain woman

Runway Gen3 Turbo output

Kling Pro output

Runnwain woman RunwayRunnwain woman Kling
Original
The movements are portrayed effectively, but upon closer inspection, the left hand exhibits some strange behavior.

Winner: ✅
Original
Kling performs well overall, but the issues with the left hand are more noticeable compared to Runway's.


Winner: ❌


7. Let’s see how the models perform when animating large objects, simulating the perspective of drone footage:

Aerial drone shot: circular pan around a medieval castle perched on a snowy peak. 
Its towering spires pierce the icy clouds, and banners flutter in the wind. 
The moat below is frozen over, reflecting the shimmering walls of the castle 
as a crimson sunset bathes the scene in a warm glow.
Castle

Runway Gen3 Turbo output

Kling Pro output

Castle RunwayCastle Kling
Original
The result is impressive, with smooth forward movement and flags fluttering in the wind, although some appear almost motionless.

Winner: ❌
Original
Kling also delivers a solid result, with the camera moving more to the side. The flags flutter in the wind, though not as realistically as in Runway’s animation.

Winner: ✅


8. The next test involves a complex animation featuring movement with interaction with the environment. Let’s see how the models handle it.

Dynamic shot. A battle-hardened dwarf rides a hulking armored boar 
across a desolate battlefield. The boar's tusks are reinforced with steel, 
and the dwarf's braided beard swings as he shouts a war cry, 
his axe held high. Dust and debris swirl around them.
Dwar and boar

Runway Gen3 Turbo output

Kling Pro output

Dwar and boar RunwayDwar and boar Kling
Original
The movements of the dwarf and the boar are quite unnatural, and the dust effects also fail to appear convincing.

Winner: ❌
Original
Kling did a better job, but there's still room for improvement


Winner: ✅


9. Animating sports tricks is one of the most challenging tasks for video models. The next test will assess how well the models handle it.

A man snowboarding, doing a backflip. He then lands and drives away.
Snowboarding

Runway Gen3 Turbo output

Kling Pro output

Snowboarding RunwaySnowboarding Kling
Original
It still looks unnatural.

Winner: ✅
Original
It still looks unnatural.

Winner: ❌


Pricing

Runway Gen3 Turbo Kling Pro
Input price $0.05 per second $0.13125 per second
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Compare for yourself

While we've highlighted some strengths, the best model for your specific task depends on your needs. The snippet below provides a starting point to test and compare two video models, Runway Gen3 Turbo and Kling Pro. Play around with different prompts and see which model delivers the most relevant and impressive results for you!

aiml_api_key = "YOUR_API_KEY"

runway_url = "https://api.aimlapi.com/v2/generate/video/runway/generation"
kling_url = "https://api.aimlapi.com/v2/generate/video/kling/generation"

runway_model = "runway-gen3/turbo/image-to-video"
kling_model = "kling-video/v1/pro/image-to-video"

def create_video(model, url, prompt, image_url):
    payload = {
        "model": model,
        "prompt": prompt,
        "ratio": "16:9",
        "duration": "5",
        "image_url": image_url,
    }
    headers = {"Authorization": f"Bearer {aiml_api_key}", "Content-Type": "application/json"}

    response = requests.post(url, json=payload, headers=headers)
    return response.json()['id']

def get_video(url, gen_id):
    params = {
        "generation_id": gen_id,
    }
    headers = {"Authorization": f"Bearer {aiml_api_key}", "Content-Type": "application/json"}

    response = requests.get(url, params=params, headers=headers)
    return response.json()

Conclusion

Test Runway Gen3 Turbo Kling Pro
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Average generation time 313.3 sec 221.7 sec

In conclusion, both Runway Gen-3 Alpha Turbo and Kling Pro demonstrate strengths and weaknesses across various scenarios, reflecting their respective capabilities and design focuses. 

Runway Gen-3 Alpha Turbo excels in generating natural movements, such as lip synchronization and realistic jogging animations, but struggles with environmental interactions and object appearances, which sometimes result in odd distortions or inconsistencies. 

On the other hand, Kling Pro shines in its ability to handle dynamic environments, such as medieval castles or battlefields, and delivers more lifelike animations in straightforward scenarios. However, it occasionally falters in handling intricate details like eye movements or subtle expressions.