LTX 2 Fast

Create cinematic 6-10 second videos with perfectly synced audio β from text alone, in seconds.
LTX 2 Fast is the lightning-quick mode of the LTX-2 family, built for instant ideation, storyboarding, mobile apps, and high-volume production. Outputs QHD/4K at 24+ FPS with fluid motion, realistic SFX/dialogue/music β all in one seamless pass.
π Run on Replicate β’ 4.4K+ runs
How It Works
Write one vivid paragraph describing your scene in present tense β include camera moves, lighting, and actions for pro-level results.
Key Inputs
| Input | Type | Description | Example |
|---|---|---|---|
| prompt | Text | Detailed single-paragraph scene | "A dragonfly hovers..." |
| duration | Integer | Length: 6, 8, or 10 seconds | 8 |
Output: Ready-to-use MP4 (video + audio).
Pro Prompting Guide
- One flowing paragraph β no breaks!
- Present tense:
flies,drips,pans slowly - Camera magic:
drone shot,rack focus,handheld zoom - Details win: Sweat droplets, fabric ripples, neon glows
- Mood setters:
golden hour,stormy dusk,fluorescent buzz
Epic tip: Start with action β build tension β perfect payoff.
Why Choose LTX 2 Fast?
- β‘ Insanely fast β Videos render faster than they play
- π΅ Audio perfection β Auto-syncs voices, music, & effects
- π₯ Hollywood quality β 4K sharp, zero flicker, lifelike motion
- π API superstar β Scale effortlessly via Replicate API
- β‘οΈ Family upgrades β Go Pro/Ultra for longer masterpieces
Limitations
- Short bursts: 6-10s (chain predictions for epics)
- Thrives on detail β Short prompts? Add cinematic flair
- Safe content: Follows Replicateβs NSFW policy
- Text-first: Image-to-video? Try LTX-2 siblings
Try the model yourself on the Replicate Playground to explore its capabilities and see how it can enhance your creative workflow.