AI Video Generation Models Like Sora Face Challenges with Human Action Understanding and Temporal Coherence | AI News Detail | Blockchain.News
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10/21/2025 12:32:00 PM

AI Video Generation Models Like Sora Face Challenges with Human Action Understanding and Temporal Coherence

AI Video Generation Models Like Sora Face Challenges with Human Action Understanding and Temporal Coherence

According to @godofprompt on Twitter, while AI video diffusion models such as Sora are gaining significant attention for their high rendering quality, they still struggle with understanding basic human actions and maintaining temporal coherence (source: @godofprompt, Twitter). Common issues include characters freezing mid-action, getting stuck in objects like revolving doors, and breaking physical logic—problems similar to glitches seen in video game NPCs. The core challenge, as highlighted in recent arXiv papers, is that these models predict frames without simulating real-world physics or continuous actions, leading to unreliable outputs for professional use. For businesses aiming to use AI-generated video in scaled content production or product demos, these glitches are deal-breakers, limiting the commercial viability and reliability of current solutions. The focus on visual quality often overlooks the more critical need for models to understand causality and physical logic, which is essential for creating practical, scalable AI video applications (source: @godofprompt, Twitter).

Source

Analysis

The emergence of Sora, OpenAI's text-to-video AI model, has sparked significant interest in the artificial intelligence community since its announcement in February 2024. According to OpenAI's official blog post from that time, Sora can generate videos up to 60 seconds long from text prompts, demonstrating impressive capabilities in creating complex scenes with multiple characters, specific motions, and accurate subject details. This development builds on advancements in diffusion models, which have evolved from image generation tools like DALL-E to video synthesis. However, as highlighted in various analyses, including discussions on platforms like Twitter in October 2025, Sora struggles with temporal coherence and realistic action simulation. For instance, generated videos often show inconsistencies such as characters freezing midway through actions like climbing ladders or getting stuck in revolving doors, as noted in critiques referencing arXiv papers on video diffusion models. These issues stem from the model's reliance on predicting sequential frames rather than simulating underlying physics or causality. In the broader industry context, this positions Sora within a competitive landscape dominated by players like Google with its Veo model announced in May 2024 and Runway ML's Gen-2 from June 2023. The video generation market is projected to grow substantially, with reports from Statista indicating the global AI in media and entertainment sector reaching $99.48 billion by 2030, up from $14.81 billion in 2022. Despite these glitches, Sora represents a breakthrough in generative AI, enabling rapid prototyping for filmmakers and advertisers. Yet, the persistence of these flaws underscores ongoing challenges in AI's understanding of real-world dynamics, affecting its adoption in professional settings where reliability is paramount. As of late 2025, updates from OpenAI suggest iterative improvements, but full physics integration remains elusive, prompting discussions on hybrid approaches combining AI with traditional simulation software.

From a business perspective, Sora's limitations present both hurdles and opportunities for monetization in content creation industries. Companies in advertising and marketing could leverage Sora for quick concept videos, potentially reducing production costs by up to 70 percent, as estimated in a McKinsey report from 2023 on AI's impact on creative workflows. However, the deal-breaking glitches, such as broken physics in object interactions like umbrellas defying logic, make it unreliable for client-facing deliverables, as emphasized in industry critiques from October 2025. This creates market gaps for specialized tools that address these shortcomings, opening avenues for startups to develop post-processing software that enhances temporal consistency. For instance, Adobe's integration of AI in its Firefly suite, updated in September 2024, combines generative video with physics-based editing, positioning it as a competitor. Businesses can monetize by offering Sora-enhanced services with human oversight, charging premiums for glitch-free outputs, potentially tapping into the $5.9 billion AI video editing market forecasted by Grand View Research for 2028. Implementation challenges include ensuring ethical use, as regulatory bodies like the EU's AI Act from March 2024 mandate transparency in high-risk AI applications. To overcome these, firms might adopt hybrid models, blending AI generation with manual refinement, which could improve reliability to over 90 percent, based on case studies from production houses in 2025. The competitive landscape sees OpenAI leading with a valuation exceeding $80 billion as of mid-2024, but rivals like Stability AI are pushing boundaries with open-source alternatives. Overall, while hype drives initial adoption, sustainable business models will hinge on addressing these coherence issues, fostering opportunities in training data augmentation and specialized AI consulting.

Technically, Sora operates on a diffusion transformer architecture, as detailed in OpenAI's technical report from February 2024, which processes video as spatiotemporal patches to maintain consistency across frames. Yet, the core problem lies in its lack of explicit physics simulation, leading to failures in action understanding, such as non-continuous movements in human interactions. ArXiv papers from 2023 and 2024 on video diffusion models, like those exploring temporal layers in models such as Make-A-Video, highlight that current systems predict frames probabilistically without modeling causality, resulting in artifacts observed in Sora demos. Implementation considerations involve scaling training datasets, with OpenAI reportedly using millions of video hours, but challenges persist in computational demands, requiring GPUs with at least 80GB memory for fine-tuning, as per benchmarks from Hugging Face in 2025. Solutions include integrating physics engines like those in Unity, tested in hybrid prototypes since early 2024, to enforce realistic simulations. Looking to the future, predictions from Gartner in their 2025 AI hype cycle report suggest that by 2027, 60 percent of video AI models will incorporate causal reasoning, potentially resolving these issues and expanding applications to virtual reality and autonomous systems. Ethical implications demand best practices like bias audits in generated content, ensuring diverse training data to avoid perpetuating stereotypes. Regulatory compliance, such as FCC guidelines on AI-generated media from July 2024, will shape deployment, emphasizing watermarking for authenticity. In summary, while Sora's innovations drive progress, overcoming these technical hurdles will unlock transformative impacts across sectors, with a projected 25 percent annual growth in AI video tech adoption through 2030.

FAQ: What are the main limitations of Sora in video generation? Sora excels in visual quality but falters in temporal coherence and physics simulation, often resulting in glitches like frozen actions or illogical object behaviors, as seen in analyses from 2025. How can businesses use Sora despite its flaws? Businesses can integrate Sora with human editing for prototypes, reducing costs while ensuring final outputs meet professional standards, tapping into market opportunities in content creation.

God of Prompt

@godofprompt

An AI prompt engineering specialist sharing practical techniques for optimizing large language models and AI image generators. The content features prompt design strategies, AI tool tutorials, and creative applications of generative AI for both beginners and advanced users.