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/extend-video

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

Input

Prompt*

Additional Settings

Customize your input with more control.

Result

Idle

What would you like to do next?

fal-ai/ltx-2.3/extend-video

Schema

Input

Prompt*

Additional Settings

Customize your input with more control.

Result

Idle

What would you like to do next?

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/extend-video

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

Input

Prompt*

Additional Settings

Customize your input with more control.

Result

Idle

What would you like to do next?

Input

Prompt*

Additional Settings

Customize your input with more control.

Result

Idle

What would you like to do next?

Input

Video URL*

Hint: Drag and drop video files from your computer, video from web pages, paste from clipboard (Ctrl/Cmd+V), or provide a URL. Accepted file types: mp4, mov, webm, m4v, gif

Duration

Mode

Additional Settings

Customize your input with more control.

Your request will cost $0.10 per second.

Result

Idle

What would you like to do next?

Download

Your request will cost $0.10 per second.

Input

Prompt*

Additional Settings

Customize your input with more control.

Result

Idle

What would you like to do next?

Input

Video URL*

Hint: Drag and drop video files from your computer, video from web pages, paste from clipboard (Ctrl/Cmd+V), or provide a URL. Accepted file types: mp4, mov, webm, m4v, gif

Duration

Mode

Additional Settings

Customize your input with more control.

Your request will cost $0.10 per second.

Result

Idle

What would you like to do next?

Download

Your request will cost $0.10 per second.

LTX-2.3 Extend Video

Seamlessly extend existing video clips with LTX-2.3 by Lightricks. Continue videos beyond their original duration with consistent motion, visual style, and native audio.

What's new in 2.3

New VAE architecture for sharper fine details, maintaining quality through extensions
Cleaner native audio that stays consistent across extended segments
Better prompt understanding for guiding how the extension continues
Portrait 9:16 support in addition to landscape
24/48 FPS options for smoother motion
LoRA fine-tuning support for custom styles and characters

Pricing

$0.10 per second of generated video. 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.

LTX-2.3 Extend Video

Seamlessly extend existing video clips with LTX-2.3 by Lightricks. Continue videos beyond their original duration with consistent motion, visual style, and native audio.

What's new in 2.3

New VAE architecture for sharper fine details, maintaining quality through extensions
Cleaner native audio that stays consistent across extended segments
Better prompt understanding for guiding how the extension continues
Portrait 9:16 support in addition to landscape
24/48 FPS options for smoother motion
LoRA fine-tuning support for custom styles and characters

Pricing

$0.10 per second of generated video. 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.