LTX-2.3 is a high-quality, fast AI video model available in Pro and Fast variants for text-to-video, image-to-video, and audio-to-video.

fal-ai/ltx-2.3/text-to-video/fast

LTX-2.3 is a high-quality, fast AI video model available in Pro and Fast variants for text-to-video, image-to-video, and audio-to-video.

Learn more about LTX 2.3

Inference

Commercial use

Partner

Schema

LLMs

Playground API

SandboxOpen in Sandbox

Input

Prompt*

Additional Settings

Customize your input with more control.

Result

Idle

What would you like to do next?

fal-ai/ltx-2.3/text-to-video/fast

Schema

Input

Prompt*

Additional Settings

Customize your input with more control.

Result

Idle

What would you like to do next?

Input

Prompt*

Drone descent through the open oculus of a derelict Soviet-era radio telescope dish, spiraling downward into the rusted parabolic bowl where a lone botanist catalogs wildflowers growing through cracked concrete, her red jacket the only color against oxidized metal and grey sky, 24mm on a caged FPV drone, the descent creating a vertigo spiral, Tarkovsky Stalker zones of alien beauty reclaiming technology, science swallowed by nature

Additional Settings

Customize your input with more control.

Your request will cost $0.06 per second for 1080p, $0.12 per second for 1440p or $0.24 per second for 2160p.

Result

Idle

What would you like to do next?

Download

Your request will cost $0.06 per second for 1080p, $0.12 per second for 1440p or $0.24 per second for 2160p.

LTX-2.3 Fast Text to Video

Speed-optimized text-to-video generation with LTX-2.3 Fast by Lightricks. Same model, faster output for rapid iteration.

What's new in 2.3

New VAE architecture for sharper fine details, textures, and facial features
Cleaner native audio generated alongside video
Better prompt understanding for more accurate scene composition
Portrait 9:16 support in addition to landscape
24/48 FPS options for smoother motion
LoRA fine-tuning support for custom styles and characters

Resolutions and pricing

Resolution	Price
1080p	$0.04/s
1440p	$0.08/s
2160p (4K)	$0.16/s

Pay-per-second, no minimums.

About LTX-2.3

LTX-2.3 is the latest open-source video generation model from Lightricks, built on a DiT-based architecture. It is released under the Apache 2.0 license, which permits commercial use and fine-tuning.