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Lightricks LTX 2.5 Text-to-Video API: AI Video Generator

Generate 4K cinematic videos with synchronized audio using Lightricks LTX 2.5 Text-to-Video API on Muapi. Pay per generation.

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Overview

About this model

LTX 2.5 Text-to-Video generates high-fidelity synchronized audio-video content directly from text prompts, with flexible duration from 5 to 20 seconds and 720P / 1080P / 2K / 4K output. Built on Lightricks' next-generation architecture and powered by WaveSpeed AI inference, it produces stunning cinematic visuals with native motion physics and synchronized soundscapes.

1Cinematic video creation: Generate high-resolution story scenes, teasers, and trailers from descriptive text prompts.
2Advertising and marketing: Produce dynamic promotional videos, social ads, and brand showcases.
3Concept visualization: Rapidly prototype art direction, atmosphere, and visual narrative beats.
4Multi-resolution production: Render in 720p, 1080p, 2K, or 4K with seamless 16:9 and 9:16 aspect ratios.
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Pricing & Value

Cost analysis

muapiapp.130/s (720p) - .429/s (4k)

Direct high-speed execution with permanent S3 storage, webhooks, and unified credits.

WaveSpeed AI (official).100/s (720p) - .330/s (4k)

Base raw provider pricing. muapiapp provides developer integrations, unified SDKs, and stored outputs.

** Competitor pricing is estimated based on similar model architectures and usage tiers.

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Technical Details

Configuration schema

Promptstring

The positive prompt for the generation.

Default ValueA cinematic ocean wave crashing onto golden sand at sunrise, highly detailed photorealistic 4k.
Durationint

The duration of the generated media in seconds.

Default Value5
Aspect RatioEnum (2 options)

Aspect ratio of the video.

Default Value16:9
ResolutionEnum (4 options)

Video resolution.

Default Value720p
Seedint

The random seed to use for the generation. -1 means random.

Default Value-1
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Implementation Guide

Developer documentation

How to Use LTX 2.5 Text-to-Video

  1. Prepare Prompt: Describe the scene, lighting, camera movement, and subject action in prompt.
  2. Set Resolution & Aspect Ratio: Choose resolution ("720p", "1080p", "2k", "4k") and aspect_ratio ("16:9", "9:16").
  3. Set Duration: Specify duration between 5 and 20 seconds.
  4. Submit Request: Send a POST request to /ltx-2.5-text-to-video.
curl -X POST https://api.muapi.ai/api/v1/ltx-2.5-text-to-video \
  -H "x-api-key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "A futuristic flying vehicle cruising over a neon cyberpunk metropolis in the rain, 4k cinematic photorealistic.",
    "resolution": "1080p",
    "aspect_ratio": "16:9",
    "duration": 5
  }'
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Common Questions

Frequently asked

What is LTX 2.5 Text-to-Video?

LTX 2.5 Text-to-Video is Lightricks' flagship text-to-video AI model capable of generating high-fidelity synchronized audio-video in up to 4K resolution.

What resolutions and aspect ratios are supported?

LTX 2.5 supports 720p, 1080p, 2k, and 4k resolutions across both 16:9 widescreen and 9:16 vertical aspect ratios.

What video durations can I generate?

You can generate videos from 5 seconds up to 20 seconds in length.

How is LTX 2.5 priced?

Pricing is per second based on resolution: .130/s for 720p, .182/s for 1080p, .273/s for 2k, and .429/s for 4k.

Does LTX 2.5 generate audio?

Yes, LTX 2.5 synthesizes high-fidelity synchronized sound effects and audio alongside the generated video.