LTX 2.3 Fast
Lightricks' fastest LTX 2.3 tier with synchronized audio. Open-weight cinematic concept iteration — describe a clip with audio cues, get a quick render with sound. Use for iteration before stepping up to LTX 2.3 Pro for final renders.
Examples generated with LTX 2.3 Fast
Prompt: A woman dancing in a garden full of animals. She is wearing a T-shirt with the word “Upsampler” on it.
FAQ
What is LTX 2.3 Fast?
Lightricks' fastest LTX 2.3 tier with synchronized audio. Open-weight cinematic concept iteration — describe a clip with audio cues, get a quick render with sound. Use for iteration before stepping up to LTX 2.3 Pro for final renders.
What is LTX 2.3 Fast best for?
- fast LTX 2.3 video
- iteration on cinematic concepts
- open-weight workflows
What does LTX 2.3 Fast do well?
- Lightricks' fastest LTX 2.3
- good for iteration
- open-weight availability
What is LTX 2.3 Fast not great at?
- less polished than LTX 2.3 Pro
- weaker than top-tier closed models
How should I prompt LTX 2.3 Fast?
- describe motion explicitly
- use for iteration before Pro for finals
What are alternatives to LTX 2.3 Fast?
Common alternatives: LTX-2.3 Pro, Wan 2.2 14B Fast, Seedance 1 Pro.
How much does LTX 2.3 Fast cost on Upsampler?
4 credits per second — no subscription, credits never expire.
Can I try LTX 2.3 Fast for free?
You can try a free, no-signup version of our ai video generator — note that the free version may use a different, lighter model rather than LTX 2.3 Fast itself.