LTX-2.3 Video Generation Model Now Available on Replicate

Melvin Vivas · X video post · 2026-03-06 · 0:39 · 121 views · Open on X

Topics: Industry Trends & Job Market, AI Dev Tools & Productivity · Level: beginner

Summary

A short announcement that LTX-2.3, the video generation model from LTX (@ltx_model), can now be run on Replicate. The quoted release post lists what's new: sharper detail and on-screen text, better handling of complex prompts with several subjects, image-to-video from a start and end frame, cleaner audio, native portrait output, and 24/48 fps. There's no spoken explanation; the video is a 39-second demo with no speech.

Key points

• LTX-2.3 is a video generation model from LTX (@ltx_model), and it can now be run through Replicate.
• Better fidelity: sharper detail and more readable on-screen text in the generated video.
• Complex prompts with several subjects are followed more reliably (the post says they 'stick').
• Image-to-video (I2V) can take both a start frame and an end frame, with smooth motion between them.
• Cleaner audio generation.
• Native portrait (vertical) output.
• Supports 24 and 48 fps output.

Resources mentioned

• LTX 2.3 · tool · huggingface.co · free
  A video generation model from LTX (Lightricks) that makes video from text or images, including start- and end-frame image-to-video, with audio, portrait output and 24/48 fps.
  Also in: Free Local AI Video Generation with LTX 2.3 in ComfyUI (Melvin Vivas on X · notes), Local Video Generation with LTX 2.3 on an RTX 3090 (Melvin Vivas on X · notes), AI Video Generation Locally with ComfyUI and LTX 2.3 (Melvin Vivas on X · notes), LTX 2.3 Image-to-Video Running Locally (Demo) (Melvin Vivas on X · notes) and 3 more
• Replicate · tool · replicate.com · check price
  A cloud platform for running open and hosted AI models through an API; you pay for what you use.
  Also in: Replicate's Guide to Making Videos with Seedance 2.0 (Melvin Vivas on X · notes), Seedance 2.0 Video Generation Model Now on Replicate (Melvin Vivas on X · notes)

Try this

• Try LTX-2.3 on Replicate. Test start + end frame image-to-video and portrait output at 24/48 fps.