Why choose it
- 720p through 4K
- Animate and first/last frames
- 24–50 fps including 48 fps
Original model creator
Lightricks
LTX 2.5 Fast
The quicker LTX 2.5 SKU for 6–10 second clips at 720p through 4K, with first/last frames, optional audio, and 24–50 fps.
Official sampleSourced output
Official sample · Results vary by prompt and settings
Inspect the sample frame.
Story
Make a story using this model's shots
Turn a written story into a narrated multi-shot film. LTX 2.5 Fast is the shot language on this page — start a story after signup, then come back here when you want a single directed take.
Example output
Story arc
Direct answer
When should you use LTX 2.5 Fast?
LTX 2.5 Fast is the accelerated LTX 2.5 path in Video Lab. Generate from text, animate a source frame, or define both ends of a shot at 720p, 1080p, 1440p, or 4K with selectable frame rates and optional audio. Durations are 6, 8, or 10 seconds so high-resolution and high-fps jobs stay valid.
Best for
Faster LTX drafts, 4K LTX 2.5 delivery, and shots that need 24, 25, 48, or 50 fps.
Technical readout
The supported shot envelope.
- Duration
- 6, 8, or 10 seconds
- Resolution
- 720p, 1080p, 1440p, or 4K
- Aspect ratio
- 16:9 or 9:16
- Audio
- Optional generated audio
Catalog modes: Text prompt · Animate image · First → last. Advanced controls: Frame rate. References: Not available.
Catalog delta
What’s new vs LTX 2.5 Pro
Differences below are from the live Video Lab catalog—duration, resolution, audio, modes, and controls—not from a ranked shoot-out.
- LTX 2.5 Fast output sizes: 720p, 1080p, 1440p, 4K. LTX 2.5 Pro: 720p, 1080p.
- Frame rate: LTX 2.5 Fast 24 fps, 25 fps, 48 fps, 50 fps. LTX 2.5 Pro 24 fps, 25 fps, 50 fps.
- Fast adds 1440p, 4K, and 48 fps on top of the 2.5 Pro 720p/1080p envelope. Durations stay 6, 8, or 10 seconds so high-res and high-fps jobs stay valid.
How it compares
LTX 2.5 Fast vs LTX 2.5 Pro
Side-by-side from the Video Lab catalog. Try both with the same prompt when the modes overlap.
Spec
LTX 2.5 Fast
LTX 2.5 Pro
Duration
LTX 2.5 Fast
6, 8, or 10 seconds
LTX 2.5 Pro
6, 8, or 10 seconds
Resolution
LTX 2.5 Fast
720p, 1080p, 1440p, 4K
LTX 2.5 Pro
720p, 1080p
Aspect ratios
LTX 2.5 Fast
16:9, 9:16
LTX 2.5 Pro
16:9, 9:16
Audio
LTX 2.5 Fast
Optional generated audio
LTX 2.5 Pro
Optional generated audio
Modes
LTX 2.5 Fast
Text prompt, Animate image, First → last
LTX 2.5 Pro
Text prompt, Animate image, First → last
References
LTX 2.5 Fast
Not available
LTX 2.5 Pro
Not available
Advanced controls
LTX 2.5 Fast
Frame rate
LTX 2.5 Pro
Frame rate
Frame rate
LTX 2.5 Fast
24 fps, 25 fps, 48 fps, 50 fps
LTX 2.5 Pro
24 fps, 25 fps, 50 fps
What to consider
- Uses fixed 6, 8, or 10 second durations
- Supports landscape and vertical rather than every social ratio
Prompt direction
How to prompt LTX 2.5 Fast
Choose frame rate for the intended motion feel first, then describe camera velocity and subject movement in language that matches it.
Prompts that work
- 01Choose 48 fps, then a splash insert at 6 seconds and 4K.
- 0224 fps crane over a 1080p tabletop; Fast when you want the quicker 2.5 SKU.
- 03First and last frames of a city crosswalk; 8 seconds, optional traffic.
- 049:16 app demo at 1440p when 2.5 Pro’s 1080p ceiling is not enough.
Questions, answered
LTX 2.5 Fast FAQ
What is LTX 2.5 Fast best for?
LTX 2.5 Fast is the quicker LTX 2.5 SKU for 720p through 4K clips with first/last frames and selectable frame rates.
Can I try LTX 2.5 Fast online?
Yes. Open LTX 2.5 Fast in Clip Studio Video Lab to generate in the browser. Generate 6, 8, or 10 second clips at 720p, 1080p, 1440p, or 4K with first/last frames, optional audio, and 24, 25, 48, or 50 fps. Sign in to generate; this model page is public.
Can LTX 2.5 Fast use first and last frames?
Yes. Video Lab supports a single source image or both first and last frames at 720p through 4K.
How is LTX 2.5 Fast different from LTX 2.5 Pro?
2.5 Pro is 720p or 1080p with 24, 25, or 50 fps. Fast adds 1440p, 4K, and 48 fps at a lower per-second rate. Both use 6, 8, or 10 second shots.
Which frame rates are supported?
The supported choices are 24, 25, 48, and 50 frames per second.
How is LTX 2.5 Fast priced?
LTX 2.5 Fast uses your monthly generation allowance. Each Clip Studio plan includes a monthly generation allowance. Duration, resolution, audio, and other settings use that allowance. Plan details live on the pricing page. This page does not list a per-model dollar price.
Change the lens
Compare LTX 2.5 Fast with another model.
Official sampleLightricksOriginal model creatorLTX 2.3 Pro
A production-oriented text-and-image model with first/last frames, 1080p to 4K output, and frame-rate controls.See model
Official sampleLightricksOriginal model creatorLTX 2.5 Pro
Lightricks’ newer Pro SKU for 720p and 1080p clips with first/last frames, optional audio, and 24, 25, or 50 fps.See model
Official sample
GoogleOriginal model creatorVeo 3.1
A premium text-and-image video model for cinematic shots, guided frames, references, optional audio, and up to 4K output.See model
Official sampleGoogleOriginal model creatorVeo 3.1 Fast
A faster, lower-cost Veo 3.1 SKU for cinematic shots, guided frames, references, optional audio, and up to 4K.See modelLightricks lens selected
Make a story using LTX 2.5 Fast shots.
Paste a story or script. Clip Studio plans cinematic shots, narrates them, and renders a film you can download.
