Kling O3 AI Video Generator

O3 combines the widest input range in the Kling lineup with the highest resolution ceiling. Kling O1 is limited to image-to-video at fixed lengths; Kling 3.0 Turbo skips references and 4K. O3 accepts text alone, frame pairs, or several ordered references and still lets you pick any duration within its 3–15 second range.

Technically it sits on Kling's third-generation Omni foundation, which added text-to-video to the Omni line and introduced reference-guided generation. The latest Omni update also improved its editing and reference workflows — including longer 15-second video input and output and 4K source footage — which is why production teams treat O3 as the "escalation" model: when a brief needs consistent characters from references, a precise start and end, or 4K delivery, this is where they go. Sound can be generated with the clip, with a smaller surcharge than on Kling 3.0 at 720p (about 1.33× versus 1.5×).

• Text-to-video and image-to-video from one model.
• First and end frame control for planned transitions.
• Ordered multi-reference input to guide characters, products or style.
• 720p, 1080p and 4K output choices.
• Any length from 3 to 15 seconds with per-second billing.
• Optional sound generated alongside the video.
• Model-level editing and reference-video workflows for advanced pipelines.

Item	Kling O3
Developer	Kuaishou (Kling AI)
Also called	Kling 3.0 Omni / V3 Omni
Modes on Cinel	Text-to-video, first/end frame, multi-reference
Model-level extras	Reference-to-video, video editing (up to 15 s, 4K source)
Duration	3–15 s (Cinel default 5 s)
Resolution	720p / 1080p / 4K
Aspect ratios	16:9, 9:16, 1:1
Price factors (model)	1080p ≈ 1.33×, 4K = 5× the 720p rate; sound ≈ 1.33× at 720p
References on Cinel	Up to 2 images
Cinel cost	From 93 credits

1. Choose Kling O3 in the video generator (video requires a membership or credit pack).
2. Pick an input route: prompt only; a first frame; a first plus end frame; or an ordered set of references.
3. When using references, list them in the order you want them to matter — main character first, then wardrobe or product, then style.
4. Set duration (3–15 s), aspect ratio and resolution. Draft at 720p; reserve 4K for the final because it costs about five times as much per second.
5. Review the estimate, generate, and compare takes before upscaling the chosen one.

• Decide on a mode before writing: pure text for exploration, first/end frame for planned motion, or multi-reference when a character or product must stay consistent.
• In multi-reference mode, label each image's job — identity, outfit, location — and keep the prompt focused on action and camera rather than appearance, which the references already cover.
• Because 4K costs about five times the 720p rate, lock composition and timing at 720p, then re-render only the approved take at 1080p or 4K.
• Sound adds roughly a third to the 720p price; enable it for dialogue or atmospheric scenes and skip it for clips that will be scored later.
• Use the 3–15 second range deliberately: short loops for social, 10–15 seconds for scenes that need a setup and a payoff.

• Character-consistent ad series — the same presenter or mascot across several spots.
• Planned transitions — open on a product shot, land on the logo frame.
• 4K brand films and hero loops — large-screen and website background video.
• Short narrative scenes — up to 15 seconds with consistent cast and setting.
• Music and fashion visuals — styled shots driven by multiple look references.
• Pre-visualisation — test a scene in 720p before commissioning a shoot.

Compared with Kling O1 (from 230 credits), O3 adds text-to-video, flexible 3–15 s durations and a 4K tier, while O1 stays focused on fixed 5/10 s keyframe animation. Compared with Kling 3.0, O3 adds reference-led control and a lower sound surcharge; choose Kling 3.0 when a simple text or image prompt with energetic motion is all you need.