Ltx 2.3

Fast 4K AI video with native portrait and cleaner audio

Ltx 2.3 launched on March 7, 2026.

What it does

Ltx 2.3 AI Video Generator creates sharp AI videos with cleaner audio, native portrait mode, stronger motion, and fast production-ready workflows.

Ltx 2.3 AI Video GeneratorMar 2026 · ltx-ai.com
Fast 4K AI video with native portrait and cleaner audio
LTX-Video2025 · ltx2video.com · ▲6
Fast & High-Quality AI Video Generation
LTX.bio2021 · lightricks.com · ▲164
Hey HN, after our 13B release we've been working on a faster version of our open-source video model and we're excited to share it. We started with a 13B base model that already had competitive generation speeds (e.g. 55s for a 5s video on an H100 — faster than any other model out there). But we wanted to push it further to allow everyone to quickly iterate over their video generations. So we built a distilled version focused on speed without sacrificing temporal or spatial coherence. With the Distilled model, you can now generate 5-second 720p videos in about 9.5 seconds on an H100, and…
https://ltxlab.net/Aug 2026 · ltxlab.net · ▲2
LTX2.5
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