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Ltx-2 Video Models
ltx-2.3-quality/text-to-video
Ltx 2.3 Quality Text-to-Video
Metin-Video

Ltx 2.3 Quality Text-to-Video API

ltx-2.3-quality/text-to-video
Text-to-video

Generate high-quality video with audio from images using LTX-2.3

LTX 2.3 Quality Text-to-Video

LTX 2.3 Quality is a high-quality text-to-video model that generates cinematic videos from natural language prompts, with optional audio generation. Built on the LTX-Video architecture, it delivers smooth motion, strong prompt adherence, and flexible resolution presets.

🌟 Key Features

🎬 Cinematic Video Generation

Generates high-fidelity videos from descriptive text prompts with precise motion control, realistic lighting, and consistent style.

🔊 Optional Audio Generation

Optionally produce synchronized audio alongside the video in a single request — no separate audio pipeline required.

📐 Multiple Resolution Presets

Six aspect ratio presets cover every common layout, from square HD to widescreen landscape and vertical portrait formats.

🔁 Reproducible Results

Pin a seed value to reproduce or iterate on a specific generation, enabling systematic prompt and parameter refinement.

⚙️ Parameters

ParameterRequiredDescription
promptText description of the video to generate. Maximum 2,000 characters.
num_framesNumber of frames to generate (default: 121). Must be a multiple of 8 plus 1.
resolutionOutput video resolution preset (default: landscape_16_9). See options below.
generate_audioWhether to generate accompanying audio (default: false).
seedRandom seed for reproducibility. Omit for random results.

Resolution Options

ValueDescription
square_hdSquare HD (1024×1024)
squareSquare (512×512)
portrait_3_4Portrait 3:4
portrait_9_16Portrait 9:16
landscape_4_3Landscape 4:3
landscape_16_9Landscape 16:9

Frame Count Guide

num_framesApproximate Duration (24fps)
25~1 second
81~3.4 seconds
121~5 seconds
161~6.7 seconds
257~10.7 seconds

💲 Pricing

Billed at $0.0024075 per megapixel of generated video data (width × height × num_frames), rounded upward.

Example: landscape_16_9 (1280×720) at 121 frames ≈ 112 MP ≈ $0.27

💡 Prompt Tips

A drone shot sweeping over a misty mountain valley at dawn, golden light breaking through the clouds, cinematic slow motion, ultra-detailed.

  • Describe motion explicitly: "slowly panning left", "camera zooms in", "waves crashing".
  • Include lighting and atmosphere cues: "golden hour", "neon-lit rain", "overcast fog".
  • Reference a visual style: "cinematic 4K", "anime style", "photorealistic".
  • Use seed when iterating on prompt wording to isolate the effect of each change.

🎯 Use Cases

  • Creative Storytelling — Generate cinematic sequences and short films from script descriptions.
  • Marketing & Advertising — Produce dynamic video assets for campaigns without filming.
  • Social Media Content — Create engaging short-form video content at any aspect ratio.
  • Prototyping & Storyboarding — Rapidly visualize scene concepts before full production.
  • Music Visualization — Generate visuals to accompany audio tracks with generate_audio: false.

📝 Notes

  • prompt is the only required field.
  • num_frames must satisfy: (num_frames - 1) % 8 == 0 (e.g. 25, 33, 41, 81, 121, 161, 257).
  • Task status values: created, processing, completed, failed.
  • Generated video URLs are returned in outputs once status is completed.

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