Kling O1 Kuaishou's Reliable Video Workhorse

Kling O1 delivers Kuaishou's proven video quality at a lower cost per clip. Text-to-video, image-to-video, reference-to-video, and video editing — the reliable everyday model for teams that iterate fast.

Features

Why Kling O1

Kling quality at a lower cost

Kling O1 shares Kuaishou's physics engine and character handling with Kling 3.0 and Kling O3, but at a lower per-clip cost. The right choice when you need reliable quality at volume.

Image-to-video with motion fidelity

Upload a still via image-to-video and describe the motion. O1 animates it with realistic physics — clothes fold, hair sways, objects obey gravity. The go-to workflow for turning product shots and illustrations into AI video.

Reference-to-video with up to 4 images

Upload up to 4 reference images for character and style consistency. O1 uses them to maintain identity across the generation — same face, same outfit, same brand look.

Video-to-video editing

Upload a clip and describe the change. O1 edits the video in place — style transfers, object swaps, background replacements — while keeping the source motion intact. For more aggressive restyle passes, step up to Kling O3.

Up to 10-second clips

Each generation runs up to 10 seconds with coherent physics, lighting, and character identity. Chain clips in Sunra Flow for longer sequences while maintaining continuity across cuts.

720p and 1080p resolution toggle

Standard mode outputs at 720p for faster turnaround; pro mode pushes to 1080p for final delivery. The same toggle available on Kling 3.0 — switch based on whether you're drafting or shipping.

Three core aspect ratios

16:9, 9:16, and 1:1 — the three formats that cover YouTube, TikTok, Reels, and square social posts. No cropping, no letterboxing, native composition.

Get started

How to use Kling O1

1

Open the AI video generator

Go to Sunra Video and select Kling O1 from the model dropdown. Free daily credits are available — no subscription needed to start.

2

Upload a reference or describe your scene

Upload a still image for image-to-video, add reference images for character consistency, or upload an existing clip for video editing. Describe the motion, mood, and camera you want.

3

Generate and preview

Click Generate and review the output for motion accuracy, character fidelity, and visual quality. Adjust your prompt and regenerate — O1's lower cost means more iterations per credit.

4

Download or promote to premium

Download the final clip in full resolution. If you need cinematic polish, promote your best take to Kling 3.0. For style transfers and editing, pass the clip to Kling O3.

Showcase

Made with Kling O1

Who it's for

Use cases

High-volume social content

O1's lower cost per clip makes it the default for teams publishing daily. Generate 15–20 variations per session, pick the best, and ship. Save premium models for hero content.

Product animation from stills

Upload a product photo via image-to-video and O1 animates it with realistic physics — rotation, reveal, unboxing. Generate variants for each platform format in one sitting.

Draft-then-promote workflow

Use O1 to explore 10+ creative directions quickly, then promote the winning concept to Kling 3.0 for the final cinematic render. Cuts exploration time without wasting premium credits.

Video editing and style transfer

Upload existing footage and describe the change — swap a background, restyle the color grade, change a prop. O1's video-to-video editing handles post-production fixes that used to require VFX software.

Community

Loved by creators worldwide

Join thousands of creators, agencies, and brands who use Sunra every day.

Our daily video budget dropped 40%

We switched our daily social clips from Kling 3.0 to O1 and saved about 40% on credits without a noticeable quality drop. We still use 3.0 for hero content, but O1 handles everything else.

SB
Soren Beck
Social Media Director

Perfect draft-then-promote model

I explore 10–15 directions in O1, pick the best 2, and re-render them in Kling 3.0. Total cost is way less than running everything through 3.0, and the final quality is identical.

WG
Wesley Grant
Creative Director, Animation Studio

Reliable image-to-video every time

I upload product photos and O1 consistently delivers clean animations — realistic rotation, good lighting, stable identity. It just works, and that reliability matters more than bleeding-edge quality.

TL
Tao Li
E-commerce Photographer

Character references hold across clips

I uploaded 4 character references and generated a 3-clip mini-story. Every character stayed recognizable. For a cost-efficient model, the identity preservation is surprisingly strong.

NM
Nadia Mansour
Indie Filmmaker

720p drafts, 1080p finals — great toggle

I draft everything in 720p for speed, then re-render the winners in 1080p pro. The resolution toggle lets me control both cost and turnaround time per project phase.

LS
Luke Spencer
Video Producer

Video editing that actually works

Uploaded a client video, asked for a background swap, and got a clean edit back. The motion stayed intact, the subject isolation was clean. Saved a half-day of After Effects work.

NC
Natalie Chase
Freelance Video Editor
FAQ

Questions & answers

How does Kling O1 compare to Kling 3.0?
Kling 3.0 is the flagship model — best cinematic quality, multi-shot cohesion, native audio, and up to 15-second clips. Kling O1 is the cost-efficient workhorse — same physics engine, lower per-clip cost, up to 10-second clips. Use O1 for volume and drafts, 3.0 for hero content.
How does Kling O1 compare to Kling O3?
Kling O3 is tuned for advanced video editing — style transfer, object-level isolation, and aggressive restyle passes. Kling O1 handles straightforward generation and basic video editing at a lower cost. Use O3 when the edit is complex, O1 when you need reliable output at scale.
Does Kling O1 support text-to-video?
Yes. Kling O1 supports text-to-video alongside image-to-video, reference-to-video, and video-to-video editing. Describe your scene and generate directly from a prompt.
How many reference images can I use?
Up to 4 reference images for character and style consistency. Each reference helps O1 maintain identity — same face, same outfit — across the generated clip.
What resolution does Kling O1 output?
720p in standard mode, 1080p in pro mode. Use standard for fast drafts and pro for final delivery.
How long can Kling O1 clips be?
Up to 10 seconds per generation. Chain clips in Sunra Flow for longer sequences while maintaining character and scene continuity.
Is Kling O1 free on Sunra?
Yes — free daily credits include Kling O1 generations. O1's lower cost per clip means your free credits stretch further than with premium models.
How does Kling O1 compare to Seedance 2.0?
Seedance 2.0 is optimized for speed and vertical-first social content with sub-minute renders. Kling O1 offers Kuaishou's physics engine and character handling with video editing capabilities. Use Seedance for rapid social iteration, O1 for reference-heavy and edit-based workflows.
Can Kling O1 edit existing videos?
Yes. Upload a clip and describe the change — background swap, wardrobe change, style transfer. O1 edits the video in place while preserving the original motion.
When should I use Kling O1 vs a premium model?
Use O1 for daily production, drafts, and high-volume iteration. Promote your best O1 takes to Kling 3.0 or Veo 3.1 for final cinematic delivery. This draft-then-promote workflow minimizes cost while maximizing output quality.

Ready to create?

Start with free daily credits. No credit card required.