AI Video Guide
From tool selection to cost control — three articles to master AI video generation systematically.
In 2026, there are so many AI video generation tools that beginners don't know where to start. This series of three in-depth articles covers selection, output types, and costs all at once.
Author's note: This series is written by the author of Agnes Video Generator based on hands-on practice, with conclusions cross-referenced against arXiv papers and authoritative sources like the Stanford AI Index. Content is continuously updated as models evolve, and each page includes references and authoritative sources at the bottom.
AI Video Generation Tools: Complete Guide from Open-Source to Online Platforms
Which AI video tool to choose in 2026? A 6-dimension matrix breaks down three camps — zero GPU required to get started.
What Can AI Video Do? 7 Output Types & Complete Pipelines
Short drama, promo video, poetry animation, e-commerce, digital human, templates, education — all 7 types with matching pipelines.
AI Video Cost Guide: From Free to Paid — The Complete Path
How much does AI video cost? Three paths: completely free online, local open-source models, and paid platforms — with GPU hardware pricing.
Ready to get hands-on?Open the free Demo to generate your first video
Related Pages
Agnes AI Video Model Overview — Capabilities, Versions & Access | Free AI Video Guide
A complete overview of the Agnes AI video model: core capabilities, version differences, and access methods. From text-to-video to image-to-video, master the full picture.
Agnes Model Prompt Engineering — 5 Tips for Better Video Prompts | Free AI Video Guide
Master prompt engineering for the Agnes video model. From camera language to temporal description — 5 core principles with good/bad examples. Make AI understand your vision precisely.
Best Free AI Video Generator 2026 — No GPU, No Cost | Agnes Video
Looking for the best free AI video generator? Read our honest 2026 review comparing Agnes, Runway, Pika, Sora, Kling, and more. Find the best tool to use Agnes AI's free video models at zero cost, no high-end GPU needed.
AI Video Use Cases — What Can AI Video Generators Do? | Agnes Video
Discover what Agnes AI's free video models can do. 8 use cases from social media to education, marketing to storytelling — zero cost, no high-end GPU needed.
References
This page draws on the following authoritative sources, each with a specific relevance note.
- Artificial Intelligence Index Report 2025Stanford HAI · Stanford AI Index 2025 (2025)
Stanford AI Index 2025 provides macro-level industry trends and market data for AI video generation, framing the tool-selection landscape.
- HunyuanVideo: A Systematic Framework For Large Video Generative ModelsTencent · arXiv:2412.03603 (2024)
HunyuanVideo is Tencent's open-source industrial-grade video generation framework; its system design directly informs the tool taxonomy and capability assessment on this page.
Why you can trust this
Written by a practicing developer and cross-checked against authoritative primary sources such as arXiv papers, vendor technical reports, and the Stanford AI Index.
SandGrid@lcy362
Author of Agnes Video Generator · Full-stack Developer
Independent developer and author of Agnes Video Generator, an open-source (MIT) AI video generation tool built on Agnes AI's free video models. Has helped 1,000+ creators produce AI videos at zero cost. Focused on making video generation models accessible and production-ready; content is based on hands-on practice and primary research.
View on GitHubReferences & Authoritative Sources
The following primary research and public reports were referenced while writing this content, to ensure accuracy and timeliness.
- Stable Video Diffusion: Scaling Latent Video Diffusion Models to Large Datasets — Stability AI · arXiv:2311.15127 (2023)
- CogVideoX: Text-to-Video Diffusion Models via 3D Causal VAE — Tsinghua University & Zhipu AI · arXiv:2408.06072 (2024)
- HunyuanVideo: A Systematic Framework For Large Video Generative Models — Tencent · arXiv:2412.03603 (2024)
- Wan: Open and Advanced Large Video Models — Alibaba · arXiv:2503.20314 (2025)
- VideoPoet: A Large Language Model for Zero-Shot Video Generation — Google Research · arXiv:2312.14125 (2023)
- LTX-Video: Realtime Video Latent Diffusion — Lightricks · arXiv:2501.00103 (2025)
- SkyReels-V2: Infinite-length Film Generative Model — Kunlun SkyReels Team · arXiv:2504.13074 (2025)
- Artificial Intelligence Index Report 2025 — Stanford HAI · Stanford AI Index 2025 (2025)
- The Economic Potential of Generative AI: The Next Powerhouse of Productivity and Growth? — McKinsey & Company · McKinsey Global Institute (2023)
- Generative AI in Media and Entertainment: A $150 Billion Opportunity — BCG (Boston Consulting Group) · BCG Henderson Institute (2024)
- Digital News Report 2025: AI-Generated Content and Trust in News — Reuters Institute, University of Oxford · Reuters Institute Digital News Report (2025)
- Sora: Video Generation Model Technical Report — OpenAI · OpenAI Technical Report (2024)
- Global AI Video Generation Market Size & Share Analysis (2024-2030) — Grand View Research · Grand View Research Market Report (2024)
Last updated：2026-07-30
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