Models › Video Generation › Lightricks LTX 2.3 Fast
LightricksLTX 2.3 Fast
LTX 2.3 Fast is our ultimate high-speed engine, designed to bring your concepts to life in record time without sacrificing quality.
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Made With LTX 2.3 Fast
GOOD FOR
Where it Excels
Text to Video & Image to Video
It is versatile in converting both text prompts and input images into video, with improved consistency in image to video.
Rapid Prototyping & Iteration
It allows for quick generation of multiple takes to find the best direction before investing time in higher fidelity rendering.
Built in Audio
It features native, synchronized audio generation with the video.
Longest native duration
Generates up to 20 seconds in a single pass.
High Resolution Output
It can produce videos up to 4K resolution.
TRY TO AVOID
Not Ideal For
Clips over 10 seconds above 1080p
Clips longer than 10 seconds are constrained to 1080p at 25fps. 4K and 1440p are only available for clips ≤10s.
Extremely Realistic Textures
Sometimes produce stylized or slightly cartoonish outputs instead of pure, cinematic realism.
High Movement Scenes:
It can still exhibit smudging or visual artifacts in scenes with very high movements.
Highly stylised human character content
Not ideal for stylized human subjects and emotionally expressive performances.
TECHNICAL SPECIFICATIONS
Model Details
Provider
Lightricks
Model Version
LTX 2.3 Fast
Max Resolution
1080p
Aspect Ratios
16:9, 9:16, 1:1
Avg. Gen Time
5s – 10s clip
Style Coverage
Fast
HOW IT COMPARES
Pick The Right Model
Start Creating With LTX 2.3 Fast
Start with a free video generation and see how Craftit AI brings ideas into motion. Turn prompts, images, or scenes into cinematic clips with simple creative controls.