LTX-2.3 vs Kling

LTX is the enterprise infrastructure choice for 2026: native 4K, on-prem deployment, and a first-party API at $0.04/sec with zero vendor dependency. Kling 3.0 is a closed cloud platform where your data and outputs remain outside your control.

Kling 3.0

Developer

Lightricks

Kuaishou

Parameters

22B

Undisclosed

Open Source

Yes

On-Prem

Yes (self-host)

OUTPUT QUALITY

Native 4K Rendering

Yes (3840×2160)

No (1080p Std; claimed 4K Pro)

Max Video Length

20 sec (Fast) / 10 sec (Pro)

3–15 sec

Frame Rate (fps)

Up to 50 fps

24 fps (Std) / up to 60 fps (Pro)

SPEED & COST

8 sec FHD Generation Time

~15 sec (H100 cloud)

30–120 sec (cloud)

API Pricing
(per second of video)

$0.04/sec (Fast 1080p) $0.06/sec (Pro 1080p) $0.16/sec (Fast 4K) $0.24/sec (Pro 4K)

$0.084/sec (Std) $0.112/sec (Pro) $0.126/sec (with audio)

Free Access

Yes – open-source + free Desktop app

Limited – 66 free credits per day on free plan

Subscription Plans
(non-API access)

Free (self-host & Desktop)

Free (66 cr/day); Std $5.99/mo; Pro $29.99/mo; Premier $54.99/mo

CAPABILITIES

Text-to-Video

Yes

Image-to-Video

Yes

Retake

Yes (LTX Retake)

HDR Output

Yes

Extend

Yes

LipDub

Yes

Audio-to-Video

Yes – native multimodal

Yes – native (Omni)

Multi-modal Inputs
(text + image + audio + video)

All four

Text + Image + Audio (Omni)

Motion Control

Yes – full control

Yes – camera, motion brush

Character Consistency

Yes – via LoRA fine-tuning

Yes – Elements system

Content Moderation / Limits

No limits (open source)

Strict (no NSFW; no toggle; humans allowed; political/government content filtered; IP restricted)

DEVELOPER & ENTERPRISE

LoRA / Fine-tuning

Yes – LoRA + IC-LoRA

Fully Customizable

Yes

Runs on Consumer-Grade GPUs

Yes

No – cloud only

ComfyUI / Diffusers Support

Yes

SUMMARY

Best For

Enterprise teams needing on-prem deployment, full model customization, IP protection, and zero marginal cost at scale

Creators producing cinematic content with native audio

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The LTX Stack

Build, Create, and Scale with LTX

Production-grade video generation models designed to hold up under real workloads. Built for long sequences, precise motion, and high-fidelity output from fast iteration to final-quality renders. Learn More →

HDR Output

Delivered as an IC-LoRA on LTX-2.3. Generate directly in HDR or convert existing SDR footage to EXR. More grading latitude, more range, ready for real finishing pipelines.

Try LTX-2.3 Now

Native Portrait

Generate vertical video up to 1080×1920 — trained on portrait-orientation data, not cropped from landscape.

Try LTX-2 Now

Audio to Video

Generate video where voice, music, and sound effects define structure, pacing, and motion.Built for production-grade workflows that require precise, harmonious control over audio-led scenes - from podcasts and avatars to voice-driven clips -not one-off demos or talking heads.

Try LTX-2 Now