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Video Generation
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Lightricks LTX-2.5 Fast
Fast text-to-video and image-to-video with synchronized audio. Portrait and landscape, up to 10s at 720p/1080p.
Input
Output
Generated content will appear here
Example Results
Video Generation:
A calm ocean wave rolls toward a sandy beach at sunset, soft golden light, gentle camera pan left, ambient waves and wind.
Frequently Asked Questions
- What is Lightricks LTX-2.5 Fast?
- LTX-2.5 Fast is Lightricks’ speed-optimized video model on Replicate. It generates MP4 clips with optional synchronized audio from a text prompt, and can also animate a first-frame image into video.
- Can I do both text-to-video and image-to-video?
- Yes. Leave the first-frame image empty for text-to-video. Upload an image to use it as the starting frame for image-to-video.
- What resolutions and durations are available?
- This page offers 720p and 1080p, with durations of 6, 8, or 10 seconds. Aspect ratio can be 16:9 (landscape) or 9:16 (portrait).
- Does the video include sound?
- When Generate Audio is enabled (default), the model produces audio aligned with the motion and pacing of the clip.
- How should I write prompts?
- Use one continuous paragraph in present tense. Be specific about camera angles, lighting, movement, and atmosphere. Longer, detailed prompts usually work better than short keyword lists.
- What format do I get back?
- An MP4 video URL suitable for download and sharing. Audio is included when Generate Audio is on.
- How is this different from LTX-2 Fast on this site?
- LTX-2.5 Fast is the newer Replicate model with a single endpoint for both text-to-video and image-to-video, plus resolution and aspect-ratio controls on this page.
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