Kling O1: The World's First Unified Multimodal Video Model

Dec 16, 2025

Kling O1 is the world's first unified multimodal video model, officially released by Kuaishou Technology's Kling AI team in December 2025. It transcends the boundaries of traditional single-task video generation models by fusing video generation, editing, and understanding capabilities into one versatile engine.

Core Technical Architecture

Kling O1 is engineered on a Multimodal Visual Language (MVL) framework, featuring a Multimodal Transformer architecture with built-in multimodal comprehension and multimodal long-context capabilities. The model consolidates the following functions into a single engine:

  • Reference-based Video Generation: Create new content based on image or video references
  • Text-to-Video Generation: Generate videos directly from text descriptions
  • Start and End Frame Generation: Create content between specified beginning and ending frames
  • Video Inpainting: Content insertion and removal
  • Video Transformation: Style re-rendering and shot extension

Multimodal Input Processing

Kling O1 can simultaneously process up to seven types of inputs, including images, videos, specific subjects, and text. Leveraging deep semantic reasoning, the model interprets all user inputs—whether images, video clips, specific subjects, or text—as executable prompts, achieving pixel-perfect precision output.

Conversational Editing Experience

Kling O1 transforms complex post-production editing into a simple, conversational experience. Users no longer need manual masking or keyframing; simply input commands like:

  • "Remove passersby"
  • "Transition day to dusk"
  • "Swap the protagonist's attire"

Skill Combos Feature

Kling O1 enables "skill combos," transcending single-task limitations. Users can command the model to "insert a subject while simultaneously modifying the background context" or "generate from a reference image while shifting the artistic style." This capacity to execute compound creative variations in a single pass exponentially expands creative freedom.

Video Duration Control

Kling O1 restores temporal control to the creator, supporting generation lengths between 3 and 10 seconds. Whether crafting a brief visual impact or a sustained narrative arc, pacing is entirely user-defined.

Performance Benchmarks

According to internal testing data:

ComparisonPerformance Advantage
vs. Google Veo 3.1 Fast (Image Reference Video Generation)247% Win Rate
vs. Runway Aleph (Instruction Transformation)230% Win Rate

Application Scenarios

Kling O1 definitively resolves the "consistency challenge" in AI video generation—maintaining coherence of characters and scenes—providing deeply integrated, one-stop solutions for:

  • Film & Television: Rapid concept video and preview content generation
  • Social Media: Efficient short-form video content creation
  • Advertising & Marketing: One-click generation of ads with narration and sound effects
  • E-commerce: Quick product video production

Why Choose Our Platform

Through our platform, you can:

  1. Convenient Access to Kling O1's powerful capabilities
  2. Flexible Credit System with pay-as-you-go pricing
  3. Multiple Resolution Options supporting up to 1080p cinema-quality output
  4. Bilingual Support in Chinese and English with seamless switching

Start your AI video creation journey today!


Sources: Kuaishou Technology Official Announcement, PR Newswire, The Decoder

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