For the complete documentation index, see llms.txt. This page is also available as Markdown.

Previous generation video models

Earlier models, kept available for existing workflows. For new work, start with the recommended models above.

Kling 2.1

Fast, affordable animation from a starting frame.

  • Strengths: Speed and cost, clean product close-ups without artifacts, smooth and natural camera motion, consistent animation from static images

  • Weaknesses: Struggles with complex multi-element scenes, can alter fine details like skin texture or small text on products, limited to relatively simple movement, no native audio (pair it with a dedicated node)

  • Use cases: Product videos and e-commerce showcases, B-roll from existing brand imagery, mascot animation, social posts built from static creative

  • Specs: Image-to-video only (text + 1 starting frame), 720p Standard / 1080p Pro & Master, 5s or 10s, 1:1, 16:9, 9:16

Seedance Pro

Multi-shot storytelling leader.

  • Strengths: Great prompt adherence, native multi-shot capabilities with smooth transitions, cinematic camera movements

  • Weaknesses: Performance issues with complex prompts, no native audio

  • Use cases: Multi-shot marketing campaigns (e.g., UGC video), brand storytelling, educational narratives

  • Specs: 480p-1080p resolution, 5-10 seconds, multiple aspect ratios

Runway Gen4 Video

Decent choice for creating professional-quality videos with consistent subjects and movie-like camera work.

  • Strengths: Character consistency, product consistency, cinematic quality

  • Weaknesses: Struggles with overly complex multi-element scenes, occasional visual glitches or hallucinations, worse than other state-of-the-art model

  • Use cases: product videos (show a product in various lifestyle settings with perfect consistency), mascot animation (create consistent spokespersons or mascots across multiple video assets).

  • Specs: 1080p resolution, 5s or 10s, multiple aspect ratios

Hailuo 2 Pro

Physics simulation specialist

  • Strengths: Exceptional physics simulation and environmental effects (water, fire, smoke), strong character consistency

  • Weaknesses: No audio support, 10-second maximum duration, slower generation times

  • Use cases: Physics-heavy product demos, viral social content, educational physics content

  • Specs: 1080p resolution, 6-10 seconds, multiple aspect ratios

Runway Aleph

AI-powered video editing and variation model

  • Strengths: Easy text-based editing without traditional software, generates multiple camera angles and variations from single video, professional VFX capabilities (background removal, cinematic effects), simple prompt structure

  • Weaknesses: Requires existing video input (can't generate from scratch), limited to 5-second clips, auto-crops to fit supported formats

  • Use cases: Product placement in lifestyle footage, UGC ads with multiple camera angles, campaign A/B testing variations, removing unwanted logos or brand elements, adding VFX effects to existing footage

  • How to use effectively: Keep prompts simple with two parts: action word ("add," "remove," "change," "replace," "re-light") + clear description of the change. Example: "Remove the person in the background" or "Change the lighting to golden hour"

  • Specs: 1280x720 (HD) resolution, up to 5 seconds, auto-crops to supported aspect ratios: 16:9, 9:16, 1:1, 4:3, 3:4, 21:9

Kling 2.0

Extended duration image-to-video

  • Strengths: Good image-to-video conversion, great character consistency

  • Weaknesses: Much slower generation times, superseded by newer Kling 2.1, struggles with text in videos

  • Use cases: Character animation

  • Specs: 720p native, 5-10 seconds, multiple aspect ratios

Vidu Q1

Budget-friendly video generation with animation focus

  • Strengths: Fastest generation speed and lowest cost structure, excellent for anime-style content and character consistency

  • Weaknesses: Limited to 5-second clips only, less competitive photorealistic quality

  • Use cases: Social media content, anime/illustration videos, rapid prototyping

  • Specs: 1080p resolution, 5 seconds max, multiple aspect ratios

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