Ltx 2.5 Audio to Video Fast

LTX-2.5 is Lightricks' open-source audio-video model. This endpoint generates video timed to a supplied audio clip in a speed-optimized mode — useful for music-driven content, dialogue-led shorts, and ads keyed to a track.

Inference$ Commercial use

About Ltx 2.5 Audio to Video Fast

stylizedtransformlip-sync

Pricing

Coming soon. You can still browse this model's inputs below.

Inputs

audio_urlfilerequired

URL of the audio file to generate a video from. Duration must be between 2 and 20 seconds; pro models support a maximum of 10 seconds. Must be publicly accessible or base64 data URI.

image_urlfile

URL of an image to use as the first frame of the video. If not provided, prompt is required.

prompttextarea

Text description of how the video should be generated. Required if image_url is not provided. When image_url is provided, this describes how the image should be animated.

aspect_ratioselectdefault: "auto"

The aspect ratio of the generated video. If 'auto', the aspect ratio will be determined automatically based on the input image, or defaults to 16:9 if no image is provided.

Options: auto, 16:9, 9:16

enable_safety_checkerbooleandefault: true

Authorized callers may set false to request relaxed screening.

More from Ltx 2.5 Audio

LTX 2.5 Image to Video Pro

LTX-2.5 is Lightricks' open-source audio-video model. This endpoint animates a still image into video with synchronized audio in a single pass, in a quality-optimized mode for high-fidelity final output.

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LTX 2.5 Image to Video Fast

LTX-2.5 is Lightricks' open-source audio-video model. This endpoint animates a still image into video with synchronized audio in a single pass, in a speed-optimized mode for quick iteration.

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Ltx 2.5 Text to Video Fast

LTX-2.5 is Lightricks' open-source audio-video model. This endpoint generates synchronized video and audio from a text prompt in a single pass, in a speed-optimized mode built for rapid iteration and previews.

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Ltx 2.5 Text to Video Fast

LTX-2.5 is Lightricks' open-source audio-video model. This endpoint generates synchronized video and audio from a text prompt in a single pass, in a quality-optimized mode for final, high-fidelity output.

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Ltx 2.5 Audio to Video Pro

LTX-2.5 is Lightricks' open-source audio-video model. This endpoint generates video timed to a supplied audio clip in a quality-optimized mode, for final visuals synchronized to music, dialogue, or a soundtrack.

stylizedtransform

audio-to-video

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