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Lightricks

LTX-2.3 Fast

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LTX-2.3 Fast is the speed-focused tier of Lightricks' LTX-2.3, an open-weight 22B diffusion transformer that generates synchronized video and audio. This variant animates a source image into a video guided by a text prompt, at up to 4K resolution.

Modalities

In / out price

Varies

Context

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Max output

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Updated

Oct 22, 2026

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FAQ

Common questions about LTX-2.3 Fast.