by LightricksVideo
LTX-2 19B
20-second clips with voices, music and effects
- Up to 1080p
- 5–20s clips
From 11 credits for a 5-second clip≈ $0.11· Create Video
What it's like to use
LTX-2 19B is Lightricks' open audio-video model: every clip comes back with stereo sound that follows the prompt, from singing and dialogue to weather and crowds. Text to video, image to video and clip extension run 5 to 20 seconds at 480p, 720p or 1080p, and 720p is quick.
Good for
- Singers, musicians and bartenders with their own sound
- Single takes of up to 20 seconds
- Vertical clips for feeds and widescreen for players
Real results from LTX-2 19B
Every image and clip here was generated with LTX-2 19B. Hit Recreate to open it in the studio with the same prompt and settings.
InputBring your own image
What LTX-2 19B can do
Each mode opens in the studio with LTX-2 19B already picked. The price shows before you generate.
Create VideoGenerate a video clip from a text prompt.From 11 creditsfor a 5-second clip480p 11 · 720p 15 · 1080p 22
Image to VideoBring a still image to life with motion and sound.From 11 creditsfor a 5-second clip480p 11 · 720p 15 · 1080p 22
Extend VideoContinue a clip from where it ends for a longer shot.From 11 creditsfor a 5-second clip480p 11 · 720p 15 · 1080p 22How to prompt LTX-2 19B
- End the prompt with an "Audio:" line listing what should be heard, such as "ice rattling in a shaker, low chatter, soft music".
- Draft at five seconds and 480p, then extend or rerun once the shot works.
- Sound with speech comes out better than ambience alone, so give someone a line when you can.
Settings worth knowing
Everything else has a sensible default, so you can type a prompt and go.
resolution480p · 720p · 1080p- Output size. Bigger sizes look sharper and cost more.
aspect_ratio16:9 · 9:16- The shape of the frame: wide, square or tall.
duration_seconds5–20s- How long the clip runs. You pay per second.
image_url- The picture to start from.
video_url- The clip to work on.
seed0–2147483647- Reuse the same number to get a repeatable result.
How it compares
Same kind of job, different strengths and prices.
LTX 2.5 reaches 2K and 4K for the same 20-second length; LTX-2 19B is the cheaper, open model with clip extension.
Good to know
Only 16:9 and 9:16, and sound is always on.
Questions about LTX-2 19B
How much does LTX-2 19B cost?
On PopNow, the cheapest run of LTX-2 19B costs 11 credits ($0.11) for a 5-second clip. Larger sizes cost more: 480p 11 · 720p 15 · 1080p 22. You pay with credits (1 credit = $0.01), the exact cost shows on the Generate button before you start, and failed generations are refunded automatically.
What can LTX-2 19B do?
On PopNow, LTX-2 19B works in these modes: Create Video, Image to Video, and Extend Video. Pick one in the studio and add a prompt or an upload.
How long and how sharp are LTX-2 19B videos?
Clips run 5–20s at up to 1080p.
How should I write prompts for LTX-2 19B?
End the prompt with an "Audio:" line listing what should be heard, such as "ice rattling in a shaker, low chatter, soft music". Draft at five seconds and 480p, then extend or rerun once the shot works. Sound with speech comes out better than ambience alone, so give someone a line when you can.
LTX-2 19B or LTX 2.5?
LTX 2.5 reaches 2K and 4K for the same 20-second length; LTX-2 19B is the cheaper, open model with clip extension.
Do I need to install anything to use LTX-2 19B?
No. LTX-2 19B runs in your browser on PopNow: write a prompt or add a file, choose the settings and download the result. Sign up and you can generate straight away.
Make something with LTX-2 19B
Type an idea, pick your settings and see the price before you hit Generate.