Kling AI

Runway

Generación y edición de vídeo con IA para creadores y cineastas.

Sora

El modelo de texto a vídeo de OpenAI para clips cortos realistas.

Luma Dream Machine

Generación rápida de texto e imagen a vídeo con movimiento fluido.

Pika

Generador de vídeo con IA desenfadado con efectos y ediciones divertidas.

Grok Imagine

Generador de texto e imagen a vídeo de xAI con audio nativo.

Hailuo (MiniMax)

Generador de vídeo con IA conocido por clips cortos nítidos y realistas.

Best AI video generators in 2026: Sora vs Kling vs Runway

Text-to-video matured in 2026. We compare the leading AI video generators on quality, motion, length and price.

Grok Imagine alternatives: 5 best AI video generators to try

The best alternatives to Grok Imagine for AI video — Sora, Kling, Runway, Luma and Pika compared.

Is Grok Imagine free? Pricing and limits explained (2026)

What Grok Imagine costs, what you get free, and how its per-second video pricing works.

Sora vs Kling: which AI video generator is better?

Sora vs Kling compared on quality, motion, clip length, audio and price — and which to pick.

Best AI that makes videos with sound (native audio)

Most AI video tools are silent — these generate video WITH audio, or pair video and AI voice.

How Much Does AI Video Generation Cost? Per-Second Pricing Explained (2026)

Most AI video APIs in 2026 charge roughly $0.05 to $0.75 per second of finished footage, while consumer apps bundle that compute into monthly credits. This guide translates both pricing systems into real dollar-per-clip numbers.

How to Keep Characters Consistent Across AI Video Scenes

AI video models generate every shot independently, so a character drifts unless you anchor its identity. This guide covers the reference-image, keyframe, and identity-lock methods that hold a face steady across scenes in 2026.

How to Write AI Video Prompts That Actually Work (With Examples)

Strong AI video prompts layer scene, camera, lighting, and one clear motion instead of piling on adjectives. This guide gives a repeatable structure and copy-ready examples that reduce artifacts and re-rolls.

Text-to-Video vs Image-to-Video: Which Should You Use?

Text-to-video gives creative freedom from a blank page; image-to-video gives control and brand-accurate consistency from a fixed frame. This guide shows which fits each stage of a project and how to combine them.

AI Video Resolution and Clip-Length Limits Compared (2026)

Most leading 2026 models reach 1080p or native 4K, but single-clip length still ranges from about 15 to 60 seconds. This guide compares the limits and explains how to extend clips beyond a single generation.

How to Turn a Photo Into a Video With AI

AI image-to-video tools animate a single still into a moving clip with natural motion and camera moves. This guide covers the workflow, prompt tips, and how leading 2026 tools differ for faces, products, and landscapes.