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LTX 2 19B API
The LTX 2 19B API gives you access to Lightricks' open-source diffusion transformer for cinematic video generation. Generate text-to-video and image-to-video with LoRA conditioning at 480p, 720p, or 1080p.
Parameters
Output
Generated content will appear here
LTX 2 19B API Complete Guide
Learn how to integrate the LTX 2 19B API, explore its video generation capabilities, and start building LoRA-powered video workflows.
What is the LTX 2 19B API?
The LTX 2 19B API is Lightricks' open-source diffusion transformer for cinematic video generation. It combines text-to-video and image-to-video workflows with LoRA conditioning, giving teams flexible control over style and structure at 480p, 720p, and 1080p.
Teams adopting the LTX 2 19B API can ship LoRA-tuned video experiences without rebuilding infrastructure. The async task workflow supports polling or callback for scalable video pipelines.
Why Developers Choose the LTX 2 19B API
Key advantages that make the LTX 2 19B API stand out for video generation
LTX 2 19B API delivers open-source 19B-scale video generation
Text-to-video and image-to-video modes plus LoRA variants
IC-LoRA compatible conditioning for depth or edge-guided structure control
Resolution options: 480p, 720p, and 1080p
Aspect ratios for text modes: 16:9 or 9:16
Async task workflow with polling or callback support
LoRA arrays support up to three assets per request
Seed control for deterministic variations
What Can You Build with the LTX 2 19B API?
From SMB video tools to creative experiments, the LTX 2 19B API powers diverse video workflows
SMB Video Tooling
Build video tools for small and medium businesses with the LTX 2 19B API. Text-to-video and LoRA modes offer flexible control over style and output quality at competitive pricing.
Storyboard Previews
Create storyboard previews with LoRA style locking using the LTX 2 19B API. Lock visual style across frames for consistent storyboards.
Product Promos
Generate image-to-video product promos from a single frame with the LTX 2 19B API. Animate product shots for ads and social content.
Short-Form Social Content
Produce short-form social content in vertical or landscape with the LTX 2 19B API. Fast iteration and diverse aspect ratios for social platforms.
Creative Testing
Run rapid prompt iteration for creative testing with the LTX 2 19B API. Seed control enables reproducible experiments.
Brand-Safe Templates
Power brand-safe templates with LoRA assets via the LTX 2 19B API. Maintain brand consistency across video outputs.
LTX 2 19B API Technical Specs
Performance, resolution, and output details for the LTX 2 19B API
Max Duration
Up to 20 seconds
Resolution
480p / 720p / 1080p
LoRA Control
Text + image LoRA variants
LTX 2 19B API Pricing (Per Second)
Choose resolution and LoRA mode, then multiply by your chosen duration.
Prices per second. Multiply by duration for total cost.
Example: 720p LoRA at 10 seconds costs $0.20.
LTX 2 19B API Developer Reviews
Feedback from teams using the LTX 2 19B API in production
“The LTX 2 19B API gives us open-source control with production-grade reliability.”
Jordan Smith
Growth Engineer
“LoRA workflows are smooth. We can swap styles without retraining everything.”
Mia Johnson
Product Manager
“Pricing clarity plus control over structure makes LTX 2 19B our go-to model.”
Alex Lee
Creative Technologist
LTX 2 19B API Known Limitations
Current constraints to consider when integrating the LTX 2 19B API
Video duration must be between 5 and 20 seconds
Image-to-video requires exactly one reference image
Aspect ratio applies only to text-to-video modes
LoRA assets are optional but must include valid paths
LoRA scale defaults to 1.0 in the playground
Content must comply with provider safety policies
Start Building with the LTX 2 19B API Today
Try the LTX 2 19B API in the playground above, or jump straight into the documentation to integrate it into your project.