Kling 2.6
What is Kling 2.6?
Kling 2.6 is the default for single-shot work in Kuaishou's Kling video line. One model ID covers text-to-video from a prompt and image-to-video from a starting frame, with an optional end frame on either path. Output is 720p (Standard) or 1080p (Pro), 5 or 10 seconds per clip. Pro mode also unlocks native AI audio: enable native_audio to add an AI audio track in the same call. Use 2.6 when the brief is "make me a clip" and you do not need the multi-shot tooling that 3.0 added later. For longer single shots, multi-scene narratives, or 4K output, jump to Kling 3.0.
Key features of Kling 2.6
Five features cover what Kling 2.6 brings to production.
Text-to-video and image-to-video on one model
Pass a prompt for fresh generation, or pass a start frame to animate a supplied still. Same model ID, no branching call sites in your client code.
Optional end frame for bookending
Pin the closing composition by passing an end_frame_url alongside the start frame or prompt. Useful for ads where the final beat is fixed key art.
Standard or Pro output modes
Standard renders at 720p for fast and cheap iteration. Pro renders at 1080p for paid placements. Native audio is available on Pro only.
Native AI audio
Set native_audio to true and the model generates an audio track in the same call. Available on Pro only.
Three aspect ratios in the text path
16:9, 9:16, or 1:1 for prompt-only generation. Image-to-video output inherits the input frame aspect.
Best for
Standalone short clips
5 or 10 second hooks for social, banner ads, and email loops. Good for single-shot work.
Image-to-video product loops
Animate flat product photography. Reliable for ecommerce video and PDP hero clips.
Storyboard motion previews
Quick MP4s from key frames before committing to a heavier model.
Text-to-video with end-frame anchoring
Pin the closing frame and let the model handle the build-up.
Clips with AI audio
Native audio on Pro adds an AI audio track in the same call as the video.
Internal review previews
MP4 previews shareable in Slack before the heavy 3.0 or 4K render.
Variants
Kling 2.6 has two output tracks plus an input-mode switch. The choice is what resolution you need and whether the call starts from a prompt or a frame.
Standard
The 720p output mode. Cheaper per clip, faster turnaround, MP4 output. Default for social-first cuts where 720p is enough: feed loops, ad teasers, internal review.
Pro
The 1080p output mode. Same single-shot model, sharper output, and the only mode that supports native_audio. Use it when the cut is going to a hero unit or a paid placement.
Text-to-video
Prompt-only path. Optional start and end frames pin the bookends of the shot. Available in both Standard and Pro.
Image-to-video
Starts from a supplied frame; the prompt is optional motion guidance. Optional end frame is supported here too. Available in both Standard and Pro.
Use cases
Build a homepage hero loop in 5 seconds by writing a prompt, running 2.6 Pro, and looping the result on the page. Animate product key art for a paid social spot by passing the still as the start frame and a closing logo card as the end frame. Add an AI audio track to a clip by enabling native_audio on Pro. Run 720p drafts cheaply on Standard during prompt iteration, then re-run only the chosen prompt on Pro for delivery.
API examples
Call Kling 2.6 from any language by POSTing to /v1/tasks. Full parameter docs live at docs.unifically.com/models/video/kling/kling-2.6.
curl -X POST https://api.unifically.com/v1/tasks \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_API_KEY" \
-d '{
"model": "kuaishou/kling-2.6-video",
"input": {
"prompt": "A cinematic drone shot over a misty forest at dawn",
"duration": 10,
"mode": "pro"
}
}'
Successful submission returns a task_id. Poll GET /v1/tasks/<task_id> or set a callback_url on the request to receive the finished result.
FAQs
People also ask
Kling 2.6 is the single-shot variant of Kuaishou's Kling video line. Text-to-video from a prompt or image-to-video from a starting frame, with an optional end frame in either path. Output is MP4 at 720p (Standard) or 1080p (Pro), in 5 or 10 second clips, with optional native AI audio.
Stay on 2.6 for short single-shot work. Move to 3.0 when you need multi-shot stories of 2 to 6 connected scenes, single shots up to 15 seconds, 4K output, or richer reference handling.
Yes. Kling 2.6 supports an optional end frame in both text-to-video and image-to-video paths. Useful for ads where the closing hero card is fixed. The end frame is not available when native_audio is enabled.
Yes, optional. Set native_audio to true and Kling 2.6 generates an AI audio track for the clip. Audio requires Pro mode.
16:9, 9:16, and 1:1 in the text-to-video path. Image-to-video preserves the aspect of the input frame.
Image-to-video starts from your supplied frame and the prompt is optional motion guidance. Text-to-video is prompt-only with optional bookend frames.