LTX-2.3 vs Sora

LTX gives enterprise teams full model ownership, on-prem deployment, LoRA fine-tuning, and native 4K at $0.04/sec with no lock-in. In 2026, the teams that own their models own their competitive advantage.

Sora 2

Developer

Lightricks

OpenAI

Parameters

22B

Undisclosed

Open Source

Yes

On-Prem

Yes (self-host)

OUTPUT QUALITY

Native 4K Rendering

Yes (3840×2160)

No (720p Std; 1024p Pro)

Max Video Length

20 sec (Fast) / 10 sec (Pro)

15 sec (Plus) / 25 sec (Pro)

Frame Rate (fps)

Up to 50 fps

24 fps

SPEED & COST

8 sec FHD Generation Time

~15 sec (H100 cloud)

Not disclosed (cloud only)

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)

$0.10/sec (Std 720p) $0.30/sec (Pro 720p) $0.50/sec (Pro 1080p)

Free Access

Yes – open-source + free Desktop app

No – free access removed Jan 2026; ChatGPT Plus ($20/mo) minimum required

Subscription Plans
(non-API access)

Free (self-host & Desktop)

ChatGPT Plus $20/mo (basic Sora only); ChatGPT Pro $200/mo (Sora 2 full access)

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 – audio-synced generation

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

All four

Text + Image + Audio

Motion Control

Yes – full control

Yes – camera controls

Character Consistency

Yes – via LoRA fine-tuning

Limited

Content Moderation / Limits

No limits (open source)

Strict (NSFW, real people & IP blocked; 3-stage pre/mid/post filter; C2PA metadata)

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

Consumers and ChatGPT subscribers generating short-form video

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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