KlingAI O1: The World’s First Unified Multimodal Video Model — How to Use It in Artflo

ArtfloDec 1, 2025

The fragmentation of AI video creation is over.

On December 1, 2025, the KlingAI O1 model was officially released, marking a historic shift in the field of video generation. For the first time, a single unified model integrates text-to-video, image-to-video, video in-painting (adding/removing objects), style transfer, and shot extension.

No more jumping between multiple tools or mismatched workflows. With KlingAI O1, you can go from a spark of inspiration to a fully edited, polished video in one seamless stop.

What Are the Breakthroughs in KlingAI O1?

Multi-Modal Input: The "All-Seeing" Editor

Relying on deep semantic understanding, KlingAI O1 treats everything-images, videos, specific subjects, and text-as executable instructions. It shatters the boundaries between modalities. Whether you upload a photo, a video clip, or a character sheet, the model comprehensively understands your intent to generate precise video details.

Interface showing KlingAI O1 accepting both reference images and video inputs simultaneously for multi-modal AI video generation.
Interface showing KlingAI O1 accepting both reference images and video inputs simultaneously for multi-modal AI video generation.

Solving the "Consistency" Problem

KlingAI O1 rebuilds the very foundation of video consistency by reinforcing its deep understanding of input images, effectively acting like a human director to maintain continuity. When you upload a character reference or subject chart, the model anchors the identity, props, and clothing details, ensuring they remain stable across different shots. This means that no matter how the camera pans, zooms, or rotates, your protagonist remains instantly recognizable without the morphing issues of the past, finally delivering the industrial-grade consistency needed for professional storytelling.

Demonstration of KlingAI O1 maintaining character consistency across multiple camera angles and movements.
Demonstration of KlingAI O1 maintaining character consistency across multiple camera angles and movements.

Multi-Reference

Just like image models such as Nano Banana Pro and FLUX.2, KlingAI O1 brings multi-subject fusion to video. You can freely combine up to 7 different reference images-mixing characters, props, and styles. Even if the scene atmosphere changes drastically, KlingAI O1 ensures that every "protagonist" maintains their unique features across different shots.

Video showing KlingAI O1 blending multiple reference images to ensure the generated character's clothing and scene strictly match the input requirements.
Video showing KlingAI O1 blending multiple reference images to ensure the generated character's clothing and scene strictly match the input requirements.

Parallel Multi-Tasking

Why do one thing when you can do two? KlingAI O1 supports composite tasks.

  • Example: "Add a new character to the video AND change the background style simultaneously."
  • Example: "Generate a video from a reference image AND apply a claymation filter."

This significantly reduces the complexity and cost of the creative process.

KlingAI O1 executing parallel tasks: adding a new object while simultaneously changing the background environment in a single generation pass.
KlingAI O1 executing parallel tasks: adding a new object while simultaneously changing the background environment in a single generation pass.

Flexible 3-10s Narrative Generation

Every shot needs its own breathing room. Instead of fixed durations, KlingAI O1 supports free generation between 3 to 10 seconds. Whether you need a quick, punchy visual impact or a slow, atmospheric establishing shot, you control the pacing of your narrative.

A montage of AI videos generated by KlingAI O1 ranging from 3 to 10 seconds, showcasing various narrative scenes and pacing.
A montage of AI videos generated by KlingAI O1 ranging from 3 to 10 seconds, showcasing various narrative scenes and pacing.

KlingAI O1 Capabilities: A Deep Dive Test

Image & Subject Reference

The Capability: KlingAI O1 allows you to upload 1 to 7 reference images simultaneously.

The Workflow: Define interactions between characters, props, costumes, and scenes using text. Watch as static elements from your photos come alive, interacting naturally within the generated video.

Animation process using KlingAI O1 where a specific subject reference image is transformed into a dynamic video while keeping details consistent.
Animation process using KlingAI O1 where a specific subject reference image is transformed into a dynamic video while keeping details consistent.

Video In-Painting: Add Content

The Capability: Insert new objects into an existing video seamlessly.

The Workflow: Simply mask an area in your video and type a prompt like "Add a vintage car driving by" or "Place a vase of flowers on the table." The model calculates lighting and perspective to ensure the new object fits perfectly into the original scene.

Using KlingAI O1 video in-painting to seamlessly insert an orange cat into an existing video scene.
Using KlingAI O1 video in-painting to seamlessly insert an orange cat into an existing video scene.

Video In-Painting: Remove Content

The Capability: The ultimate "Magic Eraser" for video.

The Workflow: Remove unwanted passersby, watermarks, or clutter from a shot. KlingAI O1 intelligently fills the void with background textures that match the surrounding environment in motion, leaving no trace behind.

Video editing demo showing KlingAI O1 erasing a passing pedestrian from a street scene without leaving visual artifacts.
Video editing demo showing KlingAI O1 erasing a passing pedestrian from a street scene without leaving visual artifacts.

Switch Perspective & Camera Angles

The Capability: "Re-shoot" a scene without a camera.

The Workflow: Take an existing flat shot and transform it. Use prompts to change the camera angle (e.g., "Switch to a low-angle view" or "Zoom out to a drone shot"). The model reconstructs the 3D geometry of the scene to generate the new perspective while keeping the subject consistent.

Transforming a wide shot into a close-up shot using KlingAI O1's perspective switching capabilities without re-shooting.
Transforming a wide shot into a close-up shot using KlingAI O1's perspective switching capabilities without re-shooting.

Video Modification

KlingAI O1 offers granular control over every element of your video:

Modify Subject: Change a person's clothes or swap a dog for a cat while keeping the motion.

AI video editing example where a stone statue is transformed into a Christmas tree while maintaining scene integration.
AI video editing example where a stone statue is transformed into a Christmas tree while maintaining scene integration.

Modify Background: Transport your subject from a bedroom to a cyber-punk city.

Replacing a standard video background with a futuristic cyberpunk city environment using KlingAI O1 background modification.
Replacing a standard video background with a futuristic cyberpunk city environment using KlingAI O1 background modification.

Modify Style: Turn a realistic video into an anime, oil painting, or claymation style.

Applying a pixel art style transfer to a realistic video clip using KlingAI O1, changing the visual aesthetic instantly.
Applying a pixel art style transfer to a realistic video clip using KlingAI O1, changing the visual aesthetic instantly.

Modify Color: Change a red sports car to neon blue.

Changing the overall color palette of a cartoon character in a video using KlingAI O1's precise color modification tools.
Changing the overall color palette of a cartoon character in a video using KlingAI O1's precise color modification tools.

Modify Weather: Turn a sunny day into a thunderstorm.

Transforming a sunny racing scene into a dramatic thunderstorm environment using KlingAI O1 weather modification features.
Transforming a sunny racing scene into a dramatic thunderstorm environment using KlingAI O1 weather modification features.

Green Screen: Automatically remove backgrounds for VFX workflows.

Automatically applying a green screen background to a video subject using KlingAI O1 for professional VFX compositing.
Automatically applying a green screen background to a video subject using KlingAI O1 for professional VFX compositing.

VFX Play: Add flames to a sword, freeze the environment, add facial tattoos, or apply a "red-eye" horror effect.

Visual effects demonstration changing the material texture of a running leopard using KlingAI O1 VFX capabilities.
Visual effects demonstration changing the material texture of a running leopard using KlingAI O1 VFX capabilities.

Context Generation (Prequel & Sequel)

The Capability: Extend your story in both directions.

The Workflow: Upload a 3-10s video clip. You can ask the model to generate what happened before (Prequel) or what happens after (Sequel). By combining this with text or image prompts, you can build a coherent timeline shot by shot.

Generating the next sequence of a video clip based on the previous context using KlingAI O1's video extension feature.
Generating the next sequence of a video clip based on the previous context using KlingAI O1's video extension feature.

Camera Movement & Motion Reference

The Capability: Steal the "move," not just the look.

The Workflow: Upload a reference video that has a specific camera movement (e.g., a complex dolly zoom or a whip pan). KlingAI O1 extracts only the camera trajectory and motion dynamics, applying them to your new subject and scene. This allows you to replicate professional cinematic techniques instantly.

Replicating a specific cinematic camera trajectory from a reference video using KlingAI O1 camera control.
Replicating a specific cinematic camera trajectory from a reference video using KlingAI O1 camera control.
Transferring body movement dynamics from a reference video to a target character using KlingAI O1 motion reference technology.
Transferring body movement dynamics from a reference video to a target character using KlingAI O1 motion reference technology.

How to Use KlingAI O1 Free in Artflo

Artflo is one of the first platforms to integrate the full KlingAI O1 suite.

  • Prompt & Upload References: Describe your scene. Drag and drop your character sheets, style references, or motion guides into the context slots.
  • Create the Video Node: Drag out a new Video Generation node from Input Node.
  • Select "KlingAI O1": Choose the model from the dropdown.
  • Run: Set the duration (3-10s), and hit Run.
KlingAI O1: The World’s First Unified Multimodal Video Model — How to Use It in Artflo