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LTX 2 Fast
Create cinematic 6-10 second videos with perfectly synced audio – 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 – all in one seamless pass.
🚀 Run on Replicate • 4.4K+ runs
How It Works
Write one vivid paragraph describing your scene in present tense – 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 – 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 → build tension → perfect payoff.
Why Choose LTX 2 Fast?
- ⚡ Insanely fast – Videos render faster than they play
- 🎵 Audio perfection – Auto-syncs voices, music, & effects
- 🎥 Hollywood quality – 4K sharp, zero flicker, lifelike motion
- 🔌 API superstar – Scale effortlessly via Replicate API
- ➡️ Family upgrades – Go Pro/Ultra for longer masterpieces
Limitations
- Short bursts: 6-10s (chain predictions for epics)
- Thrives on detail – Short prompts? Add cinematic flair
- Safe content: Follows Replicate’s 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.