Costes de la producción de vídeo IA: del camino gratuito al de pago
¿Cuánto cuesta la producción de vídeos con IA? Este artículo liquida tres cuentas: plataforma en línea completamente gratuita, modelo local de código abierto, herramientas comerciales pagas, con detalles del costo del hardware de la GPU, estimación de uso mensual y tabla de comparación de selección basada en el uso, que cubre desde pruebas de costo cero hasta profesionales. Todo el camino de producción le ayudará a producir productos terminados satisfactorios con el presupuesto más bajo, planificar racionalmente y no gastar dinero injustamente.
How much does AI video cost? From free to $200/month — what's the difference? This article breaks down three cost paths with GPU prices and selection guides.
AI video costs: (GPU/cloud/subscription) and (compute per generation). Three paths: free online (Agnes, zero/zero), local open-source ($800+ GPU or $0.34/hr cloud, near-zero marginal), paid platforms ($7–$200/month).
Author's note: Cost data from the Agnes Video Generator author's experience and public sources (GPU: gpucost.org, cloud: Spheron/Lambda/RunPod, VRAM: official papers). Prices fluctuate — verify before committing.
1. Completely Free: Agnes Video Generator
Zero upfront, zero marginal. Fill in API Key or use Demo page.
- Ready to use: Text-to-video and image-to-video supported. Ideal for promo shots, poetry, e-commerce.
- Zero hardware: Calls Agnes model API, cloud-based, browser-ready.
- Honest boundaries: Up to ~20s per clip, 1 reference image, no cross-shot consistency — great for materials, not long-form.Details atAI Video Tools Complete Guide。
Agnes is the fastest path to your first AI video. Open Demo now:
Generate your first video free →2. Local Open-Source Models
"Free software, not-free hardware." VRAM and duration references for mainstream models:
| Model | VRAM | Duration | Multi-char | Consistency | Notes |
|---|---|---|---|---|---|
| Wan2.1 | ≥24G | 5–10s | ❌ | ❌ | Chinese-friendly, active community |
| HunyuanVideo 1.5 | ≥24G | 5–10s | ❌ | ❌ | Tencent open-source |
| CogVideoX | 16–24G | 6s | ❌ | ❌ | RTX 4090, supports LoRA |
| LTX-Video | ≥16G | 5s | ❌ | ❌ | Near real-time |
| SkyReels-V2 | ≥24G | Up to 60s | ❌ | ❌ | Longest single segment |
GPU Prices (2026 Market)
| Model | VRAM | Price | Notes |
|---|---|---|---|
| RTX 5090 | 32GB | ~$2,000 | Flagship, all models |
| RTX 4090 | 24GB | ~$1,600 | Sweet spot for video |
| RTX 5070 Ti | 16GB | ~$800 | Entry, pruned models |
| RTX 4070 | 12GB | ~$550 | Tight VRAM, quantized only |
Source: gpucost.org (2026), cloud: Spheron/Lambda/RunPod ($0.34–$2/hr). Prices fluctuate — verify before committing.
RTX 4090 is the minimum for local video models. Under $800 without cloud? Local deployment isn't viable — Agnes Video Generator is the zero-investment choice.
3. Paid Industrial Platforms
Subscription/credit platforms for professionals, offering consistency, duration, and audio-visual sync.
| Platform | Price | Duration | Consistency | Best for |
|---|---|---|---|---|
| Sora 2 | ChatGPT Pro (~$200/mo) | 20s, extendable | Character profiles | Pro teams |
| Kling | Credits (~$10/mo+) | 10s, up to 3min | Subject Library 3.0 | Short drama/IP |
| Seedance | Credits | 4–15s, v2.5 30s | Per-character ref | Short video/ads |
| Runway Gen-4 | ~$15–$95/mo | 5–10s | World Consistency | Multi-platform creators |
For platformalternative comparison, see the dedicated page.
4. Which Path Should You Take?
Scenario A: Zero budget, first try
→ Free API online (Agnes), zero/zero.
Scenario B: 5–10 videos/week, have GPU
→ Local open-source. $800+ upfront, near-zero marginal.
Scenario C: Commercial, brand films, consistency
→ Paid platforms (Kling/Sora). $10–$200/month for quality and consistency.
5. FAQ
Q：How much does AI video cost?
Three tiers: free (Agnes); $800–$2,000 GPU (open-source); $7–$200/month (industrial).
Q：Completely free generators?
Yes. Agnes Video Generator is free online, no GPU needed. Open-source models are free but need your GPU.
Q：Local vs platform — which is cheaper?
High frequency → local (near-zero marginal). Low frequency → free online (Agnes) or subscription (zero hardware).
Q：Does Agnes charge?
Currently free API. Just fill in your Agnes API Key on the Demo page.
Q：How to calculate costs?
Upfront (GPU/subscription) + marginal (per generation). Free = both zero; local = high upfront, low marginal; industrial = low upfront, pay-per-use.
Q：Lowest cost start for beginners?
Open Agnes Demo, fill Key, three steps. Zero investment; upgrade when needed.
Where to go next?
- Haven't chosen a tool? Read part 1AI Video Tools Guide →
- Review part 2 for output type requirements:
- 7 Output Types and Pipelines →
- Start hassle-free:Open Demo to generate your first video →
Data integrity: GPU prices (gpucost.org 2026), cloud (Spheron/Lambda/RunPod 2026), VRAM (official docs) from public sources. Prices fluctuate — verify before committing.
Cost Data Sources
Cost estimates on this page reference the following price data sources and official VRAM requirements; prices fluctuate, so verify against live quotes.
- Artificial Intelligence Index Report 2025Stanford HAI · Stanford AI Index 2025 (2025)
Stanford AI Index 2025 documents a 280x drop in AI inference costs over five years, forming the core data backbone for this page's cost analysis.
- CogVideoX: Text-to-Video Diffusion Models via 3D Causal VAETsinghua University & Zhipu AI · arXiv:2408.06072 (2024)
The CogVideoX paper explicitly states RTX 4090 VRAM requirements, providing a precise hardware baseline for local deployment cost calculations.
- LTX-Video: Realtime Video Latent DiffusionLightricks · arXiv:2501.00103 (2025)
The LTX-Video paper proves 16GB VRAM suffices, offering a lower-cost hardware entry point than RTX 4090 for budget-conscious users.
- GPUCost — 云 GPU 实时价格参考GPUCost · gpucost.org (2025)
gpucost.org tracks live pricing for mainstream cloud GPUs (Spheron/Lambda/RunPod, etc.), used to estimate per-hour inference costs in the cloud.
Por qué puedes confiar
Este artículo fue escrito por profesionales de primera línea. Al escribirlo, se verificaron fuentes de primera mano, como artículos de arXiv, informes técnicos de fabricantes y Stanford AI Index, y no se basaron en conclusiones basadas en impresiones subjetivas.
SandGrid@lcy362
Autor de Agnes Video Generator · Desarrollador Full-Stack
Desarrollador independiente y autor de Agnes Video Generator, una herramienta de generación de vídeo con IA de código abierto. El proyecto se basa en el modelo de video completamente gratuito de Agnes AI y el protocolo MIT es de código abierto. Ha ayudado a más de 1.000 creadores a producir videos de IA a costo cero. He estado preocupado durante mucho tiempo por la ingeniería y la popularización de modelos de generación de video, y el contenido de los artículos proviene de la práctica de primera línea e investigación de primera mano.
Ver en GitHubÚltima actualización：2026-08-21
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“Que la IA de clase mundial pertenezca a todos.” – Bruce Yang. Completamente gratis, sin tarjetas de crédito ni tarjetas gráficas de alto rendimiento, haz tu primer video de IA a costo cero. ¿Quieres usar los modelos de vídeo gratuitos de Agnes AI? Simplemente comience aquí.
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