Hacker News
LongCat Video is an open-source AI model capable of generating minutes-long, coherent 720p 30fps videos from text or images, with features for smooth motion, stable color, and prompt faithfulness. It also supports video continuation and offers a user-friendly interface.
AI 生成摘要
LongCat Video是一款開源AI模型，能夠根據文字或圖片生成數分鐘長、連貫的720p 30fps影片，並保持動作流暢、色彩穩定及提示忠實度。它還支援影片延續功能，並提供使用者友善的介面。
LongCat Video is a 13.6B dense model that keeps motion smooth, color stable, and prompts faithful for text-to-video, image-to-video, and video continuation. Generate coherent 720p 30fps sequences that actually run minutes long.
Use a publicly accessible URL (jpg/png/webp/gif/avif).If it's from Google Drive/Dropbox/OneDrive/iCloud, make sure the file is public or shareable.No public link handy? Upload to store it on R2 and auto-fill the URL.
Native controls
Stay on-page while matching the longcat edit parameters.
Nothing generated yet
LongCat Video is an independent wrapper that provides a user-friendly interface on top of LongCat and other third-party AI models (accessed via providers like FAL). We are not affiliated with or endorsed by any model vendor. We focus on clearer UI, extra video tools, flexible pricing, and support that replies within 3 business days.
Everything you need to keep long videos coherent and on-brand.
All parameters stay active so LongCat Video keeps subjects stable across frames.
Generate fast drafts then refine to crisp 720p 30fps without rerunning the whole clip.
Less than 10% of the usual attention cost, so LongCat Video runs longer without melting GPUs.
Balances visual quality, motion quality, and text alignment for prompt-faithful LongCat Video outputs.
Pretrained on continuation, so extending clips feels natural—no sudden resets or color drift.
Use LongCat Video commercially, fine-tune privately, and deploy anywhere.
LongCat Video is built to hold consistency across hundreds of frames. Dense 13.6B parameters, coarse-to-fine rendering, and Block Sparse Attention keep characters, lighting, and camera motion steady in long stories.
One LongCat Video stack covers prompts, still-frame extensions, and clip stitching so you can storyboard once and render straight through.
Train-time video continuation plus GRPO rewards let LongCat Video keep objects stable and motion natural for multi-minute runs.
All parameters fire every frame, so LongCat Video beats larger sparse baselines on alignment and visual quality without huge hardware.
MIT license, reproducible seeds, and browser-friendly tools make LongCat Video easy to ship across research, product, and creative pipelines.
Open, fast, and consistent for real productions.
All-parameter LongCat Video core for stable frames
Default LongCat Video quality for smooth playback
Continuation + GRPO keep stories coherent past 60s
Open-source LongCat Video license for commercial use
Prompt or upload → LongCat Video → publish. Long clips without jitter.
Describe scene, camera, motion, and duration. Add seed for reproducible LongCat Video runs.
Use image-to-video or continuation to keep style and layout locked while LongCat Video extends the story.
Coarse-to-fine rendering plus Block Sparse Attention keep LongCat Video outputs smooth for minutes. Export MP4, GIF, or thumbnails.
Answers about quality, licensing, hardware, and prompt writing for LongCat Video.
Need help? Email [email protected]
Tutorials, guides, and updates about LongCat Video
Domine o LongCat Video AI - o gerador de vídeo gratuito e open source da Meituan. Aprenda a usar, baixar, configurar ComfyUI e técnicas avançadas de prompts. longcat video, long cat video, longcat ia.
Padroneggia LongCat Video AI - il generatore video gratuito e open source di Meituan. Impara come usarlo, scaricarlo, configurare ComfyUI e tecniche avanzate di prompt. longcat video, come usare long cat video.
Maîtrisez LongCat Video AI - le générateur vidéo gratuit et open source de Meituan. Apprenez l'installation, les workflows ComfyUI et les techniques avancées de prompts. longcat video, long cat video.
Meistern Sie LongCat Video AI - den kostenlosen Open-Source-Videogenerator von Meituan. Lernen Sie Installation, ComfyUI-Workflows und fortgeschrittene Prompt-Techniken. longcat video, long cat video.
Master LongCat Video AI - the free open-source video generator from Meituan. Learn how to use LongCat AI video generator, download guides, ComfyUI workflows, and advanced prompting techniques.
掌握美团开源的 LongCat Video AI 视频生成器。包含下载安装教程、ComfyUI 工作流、提示词技巧，以及与 Sora、Veo3 的详细对比。
Catch up on AI video news including UltraGen, LongCat Video updates, InfinityStar, and Hailuo 2.3 release.
This week in AI: LongCat Video generates long-form content, infinite 3D world creation, realtime image generation, game agents, and character swap technology.
Weekly AI video roundup covering Pixverse 5.5, Runway 4.5, Kling 2.6, LongCat, and Seedream releases. All the latest in one week.
Meituan releases LongCat Video on Hugging Face for free. How to access and use China's impressive new AI video generator.
Head-to-head comparison of LongCat Image Edit and Nano Banana Pro in ComfyUI. Which AI image editor delivers better results?
Master LongCat Video in ComfyUI with this comprehensive tutorial. Learn text-to-video, image-to-video, and video extension techniques for creating 30+ second AI videos locally.
Step-by-step guide to generating extended AI videos using LongCat in ComfyUI with low VRAM optimization techniques for 8GB-16GB GPUs.
Guia completo do modelo LongCat Video no ComfyUI: aprenda texto-para-vídeo, imagem-para-vídeo, e continuação de vídeos com arquitetura unificada e código aberto.
Discover LongCat, the free open-source AI model for image and video generation. Complete setup guide and capabilities overview.
Create unlimited length AI avatar videos with LongCat Avatar. Complete guide to auto-loop extension for infinite talking head content.
Transform single images into cinematic stories with LongCat's automated workflow. Learn how to use LLM-powered prompt engineering and loop systems to create long-form AI videos without manual intervention.
Set up the updated LongCat Avatar FP8 workflow in ComfyUI. Generate talking videos with audio synchronization using the optimized FP8 model.
Introduction to LongCat Avatar for creating unlimited-length digital human videos. Features, setup, and use cases.
Simplified LongCat Avatar workflow for ComfyUI. Create professional AI avatars with this easy-to-follow tutorial.
Descubre LongCat y aprende de la experiencia con esta guía completa en español. Generación de video con IA.
مراجعة تفصيلية لنموذج LongCat Flash Chat بـ 560 تريليون بارامتر. تعرف على قدرات توليد HTML/CSS/JavaScript، الألعاب، والرسوم المتحركة من شركة Meituan.
In-depth review of LongCat Flash Thinking, the large local AI model. Compare performance with DeepSeek and GLM for local AI deployment.
A 6 billion parameter open-source image generator that matches Nano Banana on editing and rivals Qwen on text-to-image. Discover why LongCat-Image is punching way above its weight class.
Master LongCat Image AI with one-step editing techniques. Learn the powerful Red Line trick for precise object replacement and editing.
New open-source image model LongCat Image runs on low VRAM GPUs. Installation guide and performance comparison.
Comprehensive technical analysis of LongCat-Image, the 6B parameter bilingual AI image model. Learn about anti-AIGC data curation, character-level text encoding, and efficiency-first architecture design.
Deploy LongCat Studio on Modal with 80GB GPU access. Generate images with accurate text and edit any image with precision. Complete setup guide included.
Technical overview of LongCat Video Avatar, the audio-driven model for long-form video generation with realistic lip sync.
Generate unlimited talking avatar videos with LongCat Video Avatar in ComfyUI. Open source, free, and fully featured.
Generate super realistic lip-synced videos with natural dynamics and consistent identity. Explore text-to-video, image-to-video, and video continuation modes.
Discover how LongCat Video outperforms Google Veo 3 and OpenAI Sora with 1-minute jitter-free cinematic videos. Free, open-source, and ready for professional content creation.
Meituan's 13.6B parameter video model defeats premium alternatives in long-form generation. Learn why this open-source model changes everything for AI video creators.
Why LongCat Video's flawless continuity and cinematic motion make it the go-to tool for long-form video content. No jump cuts, no glitches—just smooth, professional output.
Create extended AI-generated videos with LongCat in ComfyUI. Full workflow guide for multi-minute video generation with consistent quality.
Learn how to create unlimited-length AI videos in ComfyUI using LongCat Video's concatenation workflow. Master the unified architecture for text-to-video, image-to-video, and video continuation with practical examples.
Transform LongCat Video into revenue streams. Learn who pays for AI video, practical business models, and honest assessments of costs, competition, and opportunity.
Discover why LongCat Video is being called the most impressive long-form AI video generator. Features, capabilities, and how to get started.
Deep dive into how LongCat Video's 13.6B parameter open-source model achieves 62.11% on VBench 2.0, outperforming Wan 2.1, Kling, and even some closed-source giants. Real examples, benchmark breakdowns, and technical insights.
Kritikus értékelés a Meituan LongCat Image modelljéről: 6B paraméteres dual-language kép generáló és szerkesztő AI. Teljesítmény benchmark és valós használati tapasztalatok.
Why LongCat might be the only free AI video generator you need. Features, quality comparison, and getting started guide.
Guia completo passo a passo para criar vídeos longos com o modelo LongCat no ComfyUI. Aprenda instalação, configuração e otimização.
Alibaba's Wan 2.6, ByteDance's Seedance 1.5 Pro, and LongCat Video Avatar released in the same week. Compare features, quality, and which one is actually worth your time.
Complete guide to creating professional AI talking avatars for free using LongCat Avatar in ComfyUI. Save hundreds monthly with this step-by-step tutorial.
Complete guide to creating minutes-long AI videos using LongCat in ComfyUI. Learn how to generate seamless, extended video sequences on low VRAM GPUs with perfect scene continuity and natural transitions.
Transform static images into unlimited-duration videos using LongCat Video. Complete workflow for seamless image-to-video extension with temporal consistency, zero quality degradation, and practical deployment techniques.
Complete tutorial on LongCat Avatar - create expressive AI talking avatars with perfect lip-sync in ComfyUI. No subscriptions, fully local, better than commercial tools.
Master the LongCat FP8 quantized model for generating unlimited-length AI videos on consumer hardware. Complete setup guide with block swap optimization, Distill LoRA acceleration, and workflow configuration for 12GB VRAM systems.
Complete review of LongCat Image AI's one-step editing capabilities. Learn the revolutionary Red Line technique for precise object replacement and advanced inpainting.
In-depth comparison of LongCat Image Edit vs Nano Banana Pro for AI image editing in ComfyUI. Discover which model delivers better results for object removal, style transfer, and inpainting.
Master LongCat-Image - the powerful 6B bilingual image generator with exceptional Chinese text rendering, poster design capabilities, and breakthrough AI image editing features.
Master advanced image editing with LongCat Image and LongCat Image Edit in ComfyUI. Learn professional techniques for object replacement, style transfer, and precise inpainting.
Comprehensive guide to LongCat Video - the unified 13.6B parameter model generating minutes-long coherent AI videos from text, images, or video continuations. Learn capabilities, features, and real-world applications.
Master PainterLongVideo for smooth, consistent long-form video generation in ComfyUI. Learn the breakthrough node that eliminates slow-motion issues and enables unlimited video extension.
Master Stable Video Infinity's specialized LoRA models for WAN 2.1—SVI Film, SVI Dance, SVI Talk, and cartoon animation. Generate 90+ second videos with zero motion drift or color degradation using advanced error recycling.
Transform low-resolution AI videos into buttery-smooth, high-definition masterpieces. Complete upscaling workflow with face restoration, frame interpolation, and batch processing for all GPU types.
Complete step-by-step installation guide for WAN 2.1 - the free, powerful AI video generator that works locally on any computer. Learn how to install WAN 2.1 quickly and easily, even if you're a complete beginner.
Complete guide to creating unlimited-length talking head videos using WAN 2.1 and LongCat Avatar in ComfyUI. Generate AI avatars from text with perfect lip sync and no duration limits.
Master Longcat Video with detailed prompts, temporal sequencing, motion vocabulary, and cinematographic elements. Complete guide to generating professional AI video content.
أتقن Longcat Video مع موجهات مفصلة، والتسلسل الزمني، ومفردات الحركة، والعناصر السينمائية. دليل شامل لتوليد محتوى فيديو احترافي بالذكاء الاصطناعي.
Meistern Sie Longcat Video mit detaillierten Prompts, zeitlicher Sequenzierung, Bewegungsvokabular und kinematografischen Elementen. Vollständiger Leitfaden zur Generierung professioneller KI-Videoinhalte.
Domina Longcat Video con prompts detallados, secuenciación temporal, vocabulario de movimiento y elementos cinematográficos. Guía completa para generar contenido de video profesional con IA.
Maîtrisez Longcat Video avec des prompts détaillés, le séquençage temporel, le vocabulaire du mouvement et les éléments cinématographiques. Guide complet pour générer du contenu vidéo IA professionnel.
상세한 프롬프트, 시간적 시퀀싱, 모션 어휘, 영화적 요소로 Longcat Video를 마스터하세요. 전문적인 AI 비디오 콘텐츠 생성을 위한 완전 가이드.
Padroneggia Longcat Video con prompt dettagliati, sequenziamento temporale, vocabolario del movimento ed elementi cinematografici. Guida completa per generare contenuti video professionali con IA.
詳細なプロンプト、時間的シーケンス、モーション語彙、映像要素でLongcat Videoをマスター。プロフェッショナルなAI動画コンテンツを生成するための完全ガイド。
Domine o Longcat Video com prompts detalhados, sequenciamento temporal, vocabulário de movimento e elementos cinematográficos. Guia completo para gerar conteúdo de vídeo profissional com IA.
掌握 Longcat Video 的详细提示词技巧、时序编排、动作词汇和电影语言元素。生成专业级AI视频内容的完整指南。
Comprehensive guide to LongCat Video and LongCat Image - open-source AI models for text-to-video, image-to-video, video continuation, and image generation with editing capabilities.
LongCat Video 和 LongCat Image 完整指南 - 开源 AI 模型，支持文生视频、图生视频、视频续写以及图像生成与编辑功能。
Use LongCat Video to turn prompts or images into minutes-long 720p 30fps stories without drift.
LongCat Video is a 13.6B dense, open-source model for text-to-video, image-to-video, and video continuation. It delivers minutes-long 720p 30fps clips with stable motion and MIT licensing.
LongCat Video is an independent platform that integrates third-party AI models including LongCat and other advanced technologies. LongCat Video is not affiliated with, endorsed by, or sponsored by any AI model providers. All trademarks and brand names are property of their respective owners.
