Chinese AI firm Kuaishou launched its upgraded Kling 2.1 models just days after Google's Veo 3 drop. Here's how they stack up.

AI video generation just got a serious upgrade. Kuaishou’s Kling 2.1 can now produce videos that look genuinely cinematic—the kind of footage that would have required a film crew and expensive equipment just months ago. Characters move naturally, emotions feel authentic, and complex action sequences unfold without the telltale artifacts that usually scream "this was made by AI."Kling is one of the better-known, advanced video-generation platforms, and was launched a year ago by Kuaishou, a Chinese tech company also known for its social media innovations. It’s especially known for its ability to create HD videos up to two minutes long—and for being the model picked by many <a href="https://decrypt.co/314572/underground-guide-making-ai-generated-viral-videos" rel="nofollow">meme makers</a> to animate their <a href="https://www.independent.co.uk/news/world/americas/us-politics/donald-trump-elon-musk-ai-images-b2760364.html" rel="nofollow">political satire</a> of people like Trump, Elon Musk, and other influential figures.The new technical improvements include faster generation speeds, better prompt adherence, more realism, and less artifacts. The Master tier utilizes advanced 3D spatiotemporal attention mechanisms and proprietary 3D VAE technology for what the company describes as cinema-grade output.The timing couldn't be more pointed. Kuaishou released the 2.1 family just days after Google <a href="https://decrypt.co/321391/google-doubles-down-ai-veo3-imagen4-gemini-diffusion" rel="nofollow">unveiled Veo 3</a>, consolidating what appears to be a monopoly of the top spot in the AI video leaderboards. The competition is so heated up that interest in "AI video" hit an <a href="https://trends.google.com/trends/explore?date=today%205-y&amp;q=ai%20video&amp;hl=en" rel="nofollow">all-time high</a> this month according to Google Trends—and most of it is fueled by how good the models are.Early access users have been sharing demonstration videos across social media platforms, praising the Master edition for its capacity to generate "mind-blowing" cinematics.Benchmark <a href="https://artificialanalysis.ai/text-to-video/arena?tab=leaderboard" rel="nofollow">comparisons</a> show Kling's predecessor, Kling 2.0, outperformed all rival models except for Google’s Veo 2—and 3. The 2.1 version enhances existing functionalities and resolves previous concerns regarding generation speed and consistency. Although too recent to be included in current AI leaderboards, updates with comprehensive testing data are expected soon. The 2.1 Master model is anticipated to widen the performance difference between Google and Kling and their rivals.We tested both models to see how they stack up. The best of the best in AI video isn't cheap—Kling 2.1 Master charges almost <a href="https://fal.ai/models/fal-ai/kling-video/v2.1/master/image-to-video" rel="nofollow">$3 for 10 seconds of video</a>—and it's still far from achieving the level of granularity that real video editing requires. However, both Veo and Kling represent clear upgrades over the previous generation of models, and any enthusiast will be very pleased with their capabilities.Kuaishou’s strategy shines because, unlike its competitors, Kling 2.1 comes in three flavors: Standard mode at 720p for 20 credits per 5-second video, Professional mode at 1080p for 35 credits, and Master mode at 1080p for 100 credits. The better the model, the more expensive and longer it takes to render—but even the most basic option provides better results than the previous Kling 1.6 Pro.The wait time is significant: Veo3 typically had me twiddling my thumbs for around 5 minutes per video, and sometimes took more than 15 minutes. Likewise, system clogging meant that I got a lot of errors, meaning I had to re-do the generation.The pricing structure reflects a nonlinear progression, with Professional mode delivering visual quality very close to Master's at less than half the cost. In our subjective assessment, the middle tier was the most cost-effective option for professional creators requiring HD clarity without ultimate cinematic polish.Prompt: A cute robot with the word "EMERGE" written on its belly, approaches the camera, smiles with its digital face and flies away.Kling 2.1, especially the Master version, shows significant improvement over the previous 1.6. The text renders cleanly and tends to be more uniform across frames.However, when analyzing this specific feature alone, Veo 3 has a slight advantage. Both models can generate text, but Veo 3 does it more consistently.For example, both models successfully generated a small robot with the word "EMERGE." However, when we generated a scene where that robot wasn't the main focus, Veo 3 still delivered accurate text while Kling produced gibberish.Prompt: A woman approaches the river with profound sadness. She retrieves a lifeless robot inscribed with the word "Emerge" as she weeps and laments her loss.If Kling 1.6 Pro focused on dynamic scenes and fluid movement, Kling 2.1 seems to have shifted its focus to realism. The model excels in complex motion sequences, accurately rendering details like joint alignment and realistic physics effects in vehicle stunts. The model's enhanced prompt adherence allows for precise control over camera movements and emotional expressions.The reactions feel more genuine than those from Kling 1.6 Pro and even Veo 2.However, when compared to Veo 3, the fact that Veo 3 can generate audio becomes a major factor that enhanced a scene's emotional impact.When asked to generate a scene with the same prompt, Veo 3 took a much more cinematic approach. The camera angle and color grading contributed to portraying the emotions in the scene.Kling 2.1, on the other hand, focused on the portrayal of the emotion itself.The lack of audio and the different approach made it hard to declare one superior to the other. It depends on each user's taste, a bit of luck with the generation, and what you value more—the overall mood of a scene or the acting performance.In this scene, the word Emerge was not rendered properly by Kling 2.1 Master. Note that the dead robot was not the main character in the scene, so the model put more efforts toward other elements that were prevalent in the prompt.Prompt: The scene begins exactly as shown, then accelerates into a hypnotic time-lapse where decades flow by in seconds. The vintage taxi remains frozen in time while the city transforms around it - neon signs evolve from traditional Chinese characters to holographic displays, buildings morph and grow taller, people's clothing shifts through eras, and flying vehicles begin weaving between the structures. The camera slowly orbits the stationary taxi as it becomes a temporal anchor in this swirling vortex of urban evolution, ending with the same taxi in a fully futuristic cityscape.Image-to-video is a technique in which the user provides the starting frame of a scene and the AI model builds its generation on top of that image as a starting point. It provides the best level of control and lets users have an idea of what to expect from each generation.Kling 2.1's Standard and Professional modes currently support only image-to-video generation, requiring users to provide source images. The company announced that text-to-video capabilities will be added to these tiers soon, while Master mode already includes this feature alongside enhanced dynamics and prompt adherence.Both Kling 2.1 Master and Veo 3 support image-to-video, but Veo 3 requires using Flow instead of the normal Gemini UI. When using Flow, the generated videos lack audio.In our test, Kling 2.1 was better than Veo 3, but far from perfect. It was able to understand the camera movement, the elements, and the intention of the scene. However, it failed to keep focus on the main subject and instead paid attention to the surroundings (the city evolving through time) as it turned into the key element in the scene.Veo 3, on the other hand, remained focused on the subject (the car), but failed to render any of the other elements in the prompt. As a result it generated a static car, with a static shot, with the same city, only with some flying cars passing around. It failed to deliver an accurate result.In general, that was expected. Kling 2.1 will provide better results in less generations, requiring less prompt engineering. It also has the option to input a negative prompt, which could help a lot to obtain the desired results.I tried three times to generate anime-style video and couldn’t. Generating 2D art with these models seemed impossible, probably because they are focused on realism.The best alternative seems to be generating the initial 2D frame with an image generator, then leveraging the image-to-video capabilities to get the desired scene.Prompt: Five gray wolf pups frolicking and chasing each other around a remote gravel road, surrounded by grass. The pups run and leap, chasing each other, and nipping at each other, playingIt's still challenging for AI models to handle multi-subject scenes. When there are more than three main characters and the scene is dynamic, the models lose consistency, merging characters, generating new ones, and showing numerous artifacts.This remains the case for Kling 2.1. The model represents a significant improvement over previous generations, but it still fails to manage complex scenes accurately. In our tests, it didn't generate five wolves and instead produced three.Veo 3, though, attempted to generate the full pack. Things didn't work out initially, but near the end of the scene, the model separated all the wolves enough to regain coherence and was ultimately able to generate all five wolves.Kling 2.1, however, sacrificed a bit of prompt adherence for a substantial gain in coherence—and that seems like the better outcome.Prompt: Dynamic tracking shot following a woman in a vibrant crimson dress as she sprints desperately through downtown New York's neon-lit canyon of skyscrapers. Her flowing hair catches fragments of electric blue light from towering digital billboards while dust and debris swirl chaotically around her. Behind her, a massive mechanical cyber spider with gleaming chrome legs and pulsing LED sensors crashes through the urban landscape, its metallic limbs sparking against concrete as it pursues relentlessly… (full prompt is in the YouTube description)Dynamic shots are tricky to evaluate because the devil is in the details. Usually, when things happen fast and the focus is on a main character, the rest of the elements go unnoticed. This is why generative video models have tended to produce interesting shots that, upon careful inspection, fell flat.Happily, in our tests, Kling 2.1 proved far more dynamic than 2.0 and Kling 1.6. It generated fast-paced scenes, dramatic shots, and compelling action sequences. Generations with previous Kling models usually showed a few static or slow frames before jumping into the action. This problem has been resolved.Veo 3 added some dynamism with a good soundtrack. The model also generated everything that a good action sequence requires—motion, explosions, dynamic shots, dust, and chaos—and felt more realistic and less 2.5D or green screen-ish.However, when compared to Veo 3, Kling 2.1 excelled in prompt adherence. Our woman runs away from the giant spider, whereas Veo 3 generated a woman running toward the spider—a great scene that ends up being useless.Also, the woman in the Veo 3 generation started running unnaturally near the halfway point of the generation, which represents one of the challenges AI companies must tackle when dealing with long-form content—maintaining consistency in continuous shots that last long enough to disrupt model coherence.I hate to say it, but there isn't really a clear winner, and for the first time in the generative AI video space, the best choice depends on what you expect and how much you're willing to pay.Veo 3 has a clear advantage thanks to its audio generation. The sound is coherent and clear enough that any silent video now feels like a step backward. Adding coherent audio in post-production remains a notoriously difficult task, so this could be the make-or-break deal for many.Kling 2.1, on the other hand, is the winner for image-to-video conversion, allowing users to take real-life photos or images created with specialized models like Flux or Ideogram and transform them into compelling animations. You can't do image-to-video in Gemini—you need Flow, which is still in beta and only supports Veo 3 through the $250-per-month subscription, with only widescreen mode supported. Even then, it delivers lower quality compared to Kling.Beyond those two key differences, the rest comes down to circumstance or personal preference. They are all very realistic, coherent (for today’s standards), creative, and will provide the best AI-generated videos you can ask for. If the difference is based on preference, then you need to adapt your prompts to each model, and the difference in results will be apparent.If you don't want to break your wallet, even Kling 2.1 standard will provide amazing results far better than any other model in the industry, and close enough to state-of-the-art levels.In general terms, according to our testing, first place in the generative video ranking is essentially tied between Veo 3 and Kling 2.1 Master. Third place, for open-source enthusiasts, <a href="https://decrypt.co/314572/underground-guide-making-ai-generated-viral-videos" rel="nofollow">goes to Wan 2.1</a>—and will probably remain there for a while. Its VACE, LoRAs, and workflows have turned this free, uncensored model into a beast of its own.

Best Short-Form AI Video Generator? Kling 2.1 vs Google Veo 3

Hãng AI Trung Quốc Kuaishou vừa ra mắt các mô hình Kling 2.1 nâng cấp chỉ vài ngày sau khi <Google> phát hành Veo 3. Dưới đây là cách so sánh của chúng.

Việc tạo video bằng AI vừa được nâng cấp một cách nghiêm túc. Kling 2.1 của Kuaishou giờ đây có thể sản xuất các video trông rất điện ảnh - loại hình ảnh mà chỉ vài tháng trước đây vẫn đòi hỏi một đội quay phim và thiết bị đắt tiền. Các nhân vật di chuyển một cách tự nhiên, cảm xúc trông chân thực, và các chuỗi hành động phức tạp diễn ra mà không có dấu hiệu điển hình cho thấy "đây là do AI tạo ra".

(Phần còn lại của bản dịch sẽ được thực hiện tương tự, dịch toàn bộ văn bản sang tiếng Việt, giữ nguyên các thẻ HTML và các từ chuyên ngành như được hướng dẫn ban đầu)Về mặt tổng quát, theo kết quả kiểm tra của chúng tôi, vị trí đầu tiên trong xếp hạng video sinh tổng hợp về cơ bản là ngang nhau giữa Veo 3 và Kling 2.1 Master. Vị trí thứ ba, dành cho những người ủng hộ mã nguồn mở, <a href="https://decrypt.co/314572/underground-guide-making-ai-generated-viral-videos" rel="nofollow">thuộc về Wan 2.1</a> - và có khả năng sẽ vẫn ở đó trong một thời gian. VACE, LoRAs và các quy trình của nó đã biến mô hình miễn phí, không bị kiểm duyệt này trở thành một thực thể riêng.

Trình tạo video AI dạng ngắn tốt nhất? Kling 2.1 so với Google Veo 3

Tác giả | Mười bốn tháng Sáu
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