Let’s face it: not every AI video generator is worth your time. While these AI video models have simplified the video creation process, the profusion of claims and promises can be misleading. Of course, these AI video generators are worth a dime a dozen compared to traditional methods. But what if these models simply overhype mediocrity cloaked in AI?Let’s find out.

We will compare one of the latest AI video generators, PixVerse, with the top contenders. Spoiler alert: All AI video generators are built differently.

• Kling
• Runway
• Sora
• Hailuo AI

Here's a comparison table:

1. Resolution Comparison

Resolution determines the quality, sharpness, and professional look of your video content. It is essential for visual clarity.

PixVerse AI supports high resolutions, including 360p, 540p, 720p, and 1080p. The platform ensures high-quality visuals for both short and long-form video content. It also supports 4K resolution through an upscaling feature.

Kling AI supports resolution of up to 1080p with hyperrealistic visuals and motion capture. The platform can produce high-resolution videos with detailed animation and accurate movements.

Runway AI supports video resolution of up to 720p and comes with a 4k upscaling feature post-generation. However, accessing the 4K upscaling feature requires a paid subscription plan.

The maximum resolution that Sora AI can produce is up to 1080p. Upscaling the generated video to 4K requires an external video editing or upscaling tool.

Hailuo AI does support 4K resolution, but accessibility depends on the subscription plan. $k support isn’t available for the free version or low-tier subscription plans. Business and high-tier packages come with 4K video generation.

2. Frames Per Second (FPS)

The Frames Per Second rate determines the smoothness of transitions and motion in your video. A higher FPS rate ensures motion fluidity and a cinematic viewing experience.

PixVerse AI supports a frame per second rate of 16 FPS and 24 FPS, with 16 FPS being the default setting.

Kling AI supports 30 frames per second for accurate motion capture and detailing of action sequences. In some versions, such as Kling 2.0, the supported FPS was 24.

Runway AI supports a frame rate of 24 FPS for improved motion fluidity, dynamic movements, and cinematic visuals.

Sora AI supports a frame rate of 30 FPS to produce videos in different styles with unprecedented realism and consistency.

Hailuo AI supports frame rates of 24 FPS to 30 FPS in some versions. The higher FPs allow for smoother transitions, visual coherence, and character consistency.

3. Aspect Ratio

Aspect ratios are essential in determining the compatibility of your video with different video sharing and publishing platforms, including social media platforms such as TikTok, Facebook, YouTube, Instagram, Twitter, and more.

PixVerse AI provides you with the option to choose from multiple aspect ratios, including the standard 16:9 widescreen format, 9:16 vertical or portrait format, 1:1 square format, and 4:5 format for Instagram.

Kling AI offers format customization with aspect ratios of 16:9, 9:16, and 1:1 for quick social media content creation.

Runway also supports multiple aspect ratios, including 9:16, 1:1, 4:3, and 16:9. It also has a built-in ‘Expand’ feature that lets you customize the existing aspect ratio of the video without any cropping.

Sora AI offers the standard 16:9 (widescreen), 9:16 (vertical), and 1:1 (square) formats. You can customize the aspect ratio while creating the video through the user interface.

Hailuo AI supports 16:9 (landscape), 9:16 (portrait), and 1:1 (square) formats.

4. Video Duration

Video duration is crucial in determining the viewer engagement and conveying the desired message. Different AI video generators offer different video lengths, depending on the target video platform.

PixVerse AI can produce high-quality short-form videos, with a maximum video duration of 8 seconds. It can also create shorter videos of 5 seconds. However, the 1080p resolution doesn’t allow for a video length of 8 seconds. You can use the built-in ‘Extend’ feature to create longer videos of up to 30 seconds.

Kling AI can produce videos of 4 to 5 seconds for free access. However, it supports a maximum video length of 2 minutes for paid subscribers. The ‘Extend’ allows you to add 4 to 5 seconds of scenes, and the total video extension can’t exceed 3 minutes.

Runway AI provides flexible video duration, depending on the selected AI video generation model. The supported video duration ranges from 4 seconds to 20 seconds. You can add 4 to 5 seconds of scene extension using the ‘Extend’ feature.

Sora AI supports video duration of up to 25 seconds in the Sora storyboard, which is available only for pro users. The standard plans support a video duration of 15 seconds.

Hailuo AI supports video duration of up to 6 to 10 seconds, with some versions limiting video duration to 6 seconds for 1080p videos.

5. Primary Strengths

No two AI video generators are built the same; each comes with a unique set of features and capabilities.

PixVerse AI stands out with its rapid generation, prompt accuracy, and built-in video effects. The platform offers an intuitive interface, making it accessible for all to use.

Kling AI stands out with its cinematic realism, audio integration, motion fluidity, video effects, and virtual. The AI video generator ensures consistency and coherence. It also supports negative prompting for enhanced output and audio integration for improved realism.

Runway AI comes with over 30 built-in tools for high-quality production and seamless workflow, such as background removal, transition effects, frame interpolation tool, stop-motion animation, object removal, and more. It offers character consistency and scene coherence without any visual artefacts.

OpenAI Sora comes with strong contextual understanding and strong prompt adherence, which ensures character and scene consistency throughout the video. The natural language processing features enable it to create highly realistic videos through simple prompts, along with audio and sound generation.

Hailuo AI stands out with cinematic effects, higher fidelity and customization, advanced physics, and accurate movement and expression capture. The AI video generator ensures detailed production quality and adds visual depth to every frame and shot.

6. Customization Level

The core focus of AI video generation is to create well-tailored content without any manual editing or third-party tools. Customization allows for producing more impactful and personalized outcomes for all types of users.

PixVerse AI allows you to customize camera movement and angles, visual style, tone, mood, lighting, and scenes through prompting. It also supports negative prompting to eliminate unwanted elements. The platform has predefined templates and presets, along with the ‘Fusion’ feature that lets you merge or replace elements from different images.

Kling AI has a medium to high customization level with negative prompting, camera control, style preference, ‘motion brush’ feature for movements, ‘element’ feature for multi-image reference, and more.

Runway lets you tailor the camera movement throughout the scene, along with a motion brush to let you pick and add motion direction and speed to certain elements. The prompt weighing feature allows you to define how much the model should adhere to the input prompt. The pre-defined styles let you experiment with video generation. It offers multi-level customization.

You can describe the required edits in the prompts and utilize preset creative and artistic video styles. The platform allows you to create multiple variations of the same prompt to find the best fit. Sora comes with a set of editing tools and features, including remix, extend, blend, loop, and more, for further refinement of the produced video. It offers extensive customization.

Hailuo AI offers a high level of customization with video styling, camera movements, audio integration, negative prompting, cinematic effects, and more.

7. Input Options

PixVerse AI offers a multi-input option, allowing you to add text-based prompts and reference images to create high-quality videos.

Kling AI offers a multi-input option with features to support both reference images and text-based prompts.

Runway supports text and image input and can generate video from video through manipulation of existing videos and changing style, elements, or visual effects through prompting.

The primary input method in Sora AI is a text-based prompt, but the platform also supports image-based video inputs.Video inputs are generally used for video extension, blending, looping, and other video editing tasks.

Hailuo AI supports image and text-based input, with a subject reference feature that allows you to upload an image of the main character of your video.

8. Processing Time

Processing time determines the user experience, AI video generator efficiency, and capability for quicker iteration.

PixVerse AI takes around a few seconds to a couple of minutes. The processing time depends on the prompt complexity, duration, selected model, resolution, and customization.

Kling AI can create high-quality videos in a minute. However, factors like server load, demand, downtime, and queue time can impact the speed.

Runway AI can produce a 5-10 second clip in less than a minute, while at times, it can take minutes to generate videos of 10 seconds.

The speed of video generation generally depends on the prompt complexity, but OpenAI Sora can generate a video within a minute. Factors such as demand, request load, resource allocation, and limits can impact the video processing and generation time.

Hailuo AI can produce a 6-second video in less than 30 seconds, depending on the server load and queue times.

9. Pricing

PixVerse AI subscription plan starts at $100 with 15,000 credits and 333 video generations.

Kling AI subscription plan starts at $10/month with 660 monthly credits.

Runway AI’s free plan is available with 125 monthly credits and 720 video quality. The standard plan is $12-$15/month with 625 monthly credits and 1080 video quality.

Sora is available for premium service users and comes with a credit-based and subscription model. Sora can be accessedthrough ChatGPT paid plans. ChatGPT Pro is available at $200/month, and ChatGPT Plus is available at $20/month, but with restricted usage and generation.

Hailuo AI subscription plan starts at $10/month with 1000 credits.

Found the Right AI Video Generator?

You know the drill — the platforms release a new model, make high claims, and introduce discounts for early access. The question is: do they really deliver? Research, compare, explore, and experiment — because your ideas deserve more than mediocrity.

Want to discover more detailed comparisons on AI tools? Read: Veo 3 vs Top AI Video Generators | Nano Banana vs Top AI Image Generators