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LTX-2 19b Text-To-Video LoRA

wavespeed-ai/ltx-2-19b/text-to-video-lora

LTX-2 19b Text-to-Video LoRA is the first DiT-based audio-video foundation model with synchronized audio and video generation. This LoRA version supports custom style adapters for personalized video generation. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.

Idle

Your request will cost $0.1 per run.

For $1 you can run this model approximately 10 times.

One more thing::

ExamplesView all

README

LTX-2 19B Text-to-Video LoRA

LTX-2 Text-to-Video LoRA generates customized videos from text prompts with synchronized audio and full LoRA support. Apply up to 3 custom LoRA adapters for style personalization — perfect for branded content, custom characters, and unique visual styles.

Looking for the standard version? Try LTX-2 19B Text-to-Video without LoRA support.

Why Choose This?

  • LoRA support Apply up to 3 custom LoRA adapters to personalize style, characters, or visual aesthetics.

  • Synchronized audio-video generation Outputs video with matching audio in a single pass — footsteps, ambient sounds, and environmental audio fit the visual content.

  • High-fidelity visuals Leverages a 19B-parameter DiT architecture for detailed, temporally consistent video.

  • Flexible resolution and aspect ratio Supports 480p, 720p, and 1080p in both 16:9 (landscape) and 9:16 (vertical) formats.

  • Variable duration Generate clips from 5 to 20 seconds.

Parameters

ParameterRequiredDescription
promptYesText description of the scene, action, and audio cues
resolutionNoOutput resolution: 480p, 720p (default), or 1080p
aspect_ratioNoOutput format: 16:9 (default) or 9:16
durationNoVideo length in seconds (5-20, default: 5)
lorasNoList of LoRA adapters to apply (up to 3)
seedNoRandom seed for reproducibility (-1 for random)

LoRA Format

Each LoRA in the loras array has:

  • path (required) — URL to the LoRA weights file
  • scale (optional) — Weight multiplier from 0-4, default 1

How to Use

  1. Write your prompt — describe scene, action, style, and audio cues.
  2. Add LoRAs — click "+ Add Item" to include custom LoRA adapters.
  3. Adjust LoRA scale — use 0.5-1.0 for subtle effects, 1.0-2.0 for stronger influence.
  4. Set resolution and aspect ratio — match your target platform.
  5. Set duration — start short (5s) to test, increase for final renders.
  6. Run — submit and download the generated video.

Pricing

Resolution5s10s15s20s
480p$0.075$0.15$0.225$0.30
720p$0.10$0.20$0.30$0.40
1080p$0.15$0.30$0.45$0.60

Billing Rules

  • Base price: $0.10 (720p, 5 seconds)
  • Resolution multiplier: 480p = 0.75×, 720p = 1×, 1080p = 1.5×
  • Duration: Scales linearly (per 5 seconds)
  • Total cost = duration × $0.10 × resolution_multiplier / 5

Best Use Cases

  • Custom Character Animation — Apply character LoRAs for consistent identity across videos.
  • Brand Content — Use trained LoRAs for consistent brand visual identity.
  • Artistic Styles — Apply style LoRAs for anime, painterly, or other aesthetics.
  • Social Media Content — Create unique vertical (9:16) content with custom styles.

Pro Tips

  • Start with scale 1.0 and adjust up or down based on results.
  • Combine LoRAs carefully — multiple LoRAs can conflict; test combinations.
  • Match LoRA to content — use character LoRAs for character content, style LoRAs for aesthetics.
  • Audio adapts automatically — the model generates appropriate audio even with custom styles.
  • If your LoRA uses trigger words, include them in your prompt.

Notes

  • Maximum video duration is 20 seconds.
  • Up to 3 LoRAs can be applied simultaneously.
  • LoRA version pricing is 25% higher than standard version.

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