LOADING DATASHEET
GROUNDED IN REAL HUMAN CONVERSATIONSYOUR BENCH
LTX 2.3
◆ OPEN
by Lightricks
OPEN WEIGHTSLOCALCREATIVEVIDEO CLIPSFAST GENERATION
RANKED #8 OF 22 VIDEO · OVERALL #52 OF 6,618 · VIBE SCORE 6.6 · 793 VOICES
A fast video generation model built for creators wanting high quality clips.
HAPPY9.3
175 mentions
SAD5.7
125 mentions
VIBE TRAJECTORY
26 weeks · 988 voices
HOLDING UP
Recent vibe is steady. No clear fade in the crowd.
HOW TO USE IT
Open weights. You can use a hosted service, or download it and run it yourself, free.
RUN IT ON YOUR OWN MACHINE
Open weights: download LTX 2.3 once and it's yours. No subscription, no rate limits, works offline.
22B parameters, a Q4 GGUF file is about 18 GB, while FP8 is about 23 GB
- BARE MINIMUM
NVIDIA GeForce RTX 3060 12GB
12 GB VRAM (WITH 32 GB SYSTEM RAM)
~$200 USEDQ4 GGUF or FP8 with offloading, ~10-second 720p video in 3-6 minutes
- SWEET SPOT
NVIDIA GeForce RTX 3090 24GB
24 GB VRAM
~$800 USEDFP8 or Q8 GGUF natively, ~10-second 720p video in 1-2 minutes
- FULL POWER
NVIDIA GeForce RTX 5090 32GB
32 GB VRAM
~$3,500 NEWFull BF16 precision, native 4K/50fps, ~10-second video in under 30 seconds
LEARN HOW TO SET IT UP
- ▶ VIDEO · YOUTUBELTX 2.3 on 8GB VRAM: Consistent Characters + Dialogue in One Workflow
- ▶ VIDEO · YOUTUBELTX-2.3 Encyclopedia: 25-Minute Guide to 1080P Video Generation on 12GB VRAM
- ▶ VIDEO · YOUTUBEIs LTX 2.3 the Ultimate Open-Source Video AI? | Run LTX 2.3 on Low VRAM
- ▶ VIDEO · YOUTUBELTX 2.3 First & Last Frame Guide (8GB VRAM ComfyUI Workflow)
WILL MY BOX RUN LTX 2.3?
The three cards above are researched picks. Search the machine you actually have — we only say yes if it should reply at a usable speed, not just load the weights and crawl.
HARDWARE PICKS & PRICES ARE RESEARCHED FROM THE LIVE WEB AND REFRESHED AUTOMATICALLY. TREAT THEM AS BALLPARK, NOT GOSPEL.
WHAT CAN YOU ACTUALLY DO WITH IT?
Everyday jobs on each of those rigs: how long LTX 2.3 takes, and how good the crowd says it is at that kind of work.
| THE JOB | BARE MINIMUMNVIDIA GeForce RTX 3060 12GB | SWEET SPOTNVIDIA GeForce RTX 3090 24GB | FULL POWERNVIDIA GeForce RTX 5090 32GB |
|---|---|---|---|
| Make a video clipfive seconds of footage | —★★★★★ | —★★★★★ | —★★★★★ |
STARS ARE THE COMMUNITY SCORE FOR THAT KIND OF WORK, DOCKED FOR HOW SQUASHED THE WEIGHTS GET AT EACH TIER. A DASH MEANS NO SPEED WAS RESEARCHED FOR THAT RIG. TIMES ARE COMPUTED FROM RESEARCHED SPEEDS. BALLPARK, NOT GOSPEL.
WHAT THE INTERNET SAYS
People love LTX 2.3 for its fast speeds and great-looking results, with options to avoid extra add-ons. However, users are frustrated by frequent refusals and service errors.
661 POSTS · 132 COMMENTS · REDDIT · BLUESKY · DEV FORUMS · GITHUB · X · BLOG
PEOPLE LOVE
- Answers come back fast (3 mentions)
- Results look great (3 mentions)
PEOPLE COMPLAIN ABOUT
- Refuses or lectures more than people like (4 mentions)
- Outages, errors, or limits get in the way (3 mentions)
TOPIC BY TOPIC
- Working when you need itMIXED FEELINGS
3 thumbs up · 3 thumbs down
- SpeedPEOPLE LOVE THIS
3 thumbs up · 1 thumbs down
- Saying no too muchA SORE SPOT
0 thumbs up · 4 thumbs down
- How results lookPEOPLE LOVE THIS
3 thumbs up · 0 thumbs down
IN THEIR OWN WORDS
- FROM REDDIT >
“LTX 2.3 Sulphur Uncensored Model - no need for external LoRAs.”
LOOKING FOR AN ALTERNATIVE?
Checked picks first: tags say why you would switch, stars say how fully each one stands in for LTX 2.3.
Sora 2
Seedance 2.5
Grok Imagine> SOURCES (12)
- REDDIT · 2026-05-07 · 1350 UPVOTESSo Far This is My Favorite Use-Case for LTX 2.3/ComfyUI
So Far This is My Favorite Use-Case for LTX 2.3/ComfyUI
- REDDIT · 2026-06-17 · 801 UPVOTESBig update to the LTX Trainer: One framework, many conditioning modes
Big update to the LTX Trainer: One framework, many conditioning modes
- REDDIT · 2026-03-16 · 762 UPVOTESShowing real capability of LTX loras! Dispatch LTX 2.3 LORA with multiple characters + style
Showing real capability of LTX loras! Dispatch LTX 2.3 LORA with multiple characters + style
- REDDIT · 2026-06-04 · 755 UPVOTESLtx 2.3 lora + nvidia PiD
Ltx 2.3 lora + nvidia PiD
- REDDIT · 2026-04-30 · 728 UPVOTESSulphur 2 Uncensored Video Gen
Sulphur 2 Uncensored Video Gen
- REDDIT · 2026-03-05 · 685 UPVOTESLTX-2.3 is live: rebuilt VAE, improved I2V, new vocoder, native portrait mode, and more
LTX-2.3 is live: rebuilt VAE, improved I2V, new vocoder, native portrait mode, and more
- REDDIT · 2026-03-27 · 676 UPVOTESI got LTX-2.3 Running in Real-Time on a 4090
I got LTX-2.3 Running in Real-Time on a 4090
- REDDIT · 2026-05-13 · 604 UPVOTESA compilation of the open-source LoRAs for LTX 2.3 - released in May
A compilation of the open-source LoRAs for LTX 2.3 - released in May
- REDDIT · 2026-07-20 · 592 UPVOTESClean Plate IC-LoRA for LTX-2.3 removes people, pedestrians, and vehicles from a clip and rebuilds the background
Clean Plate IC-LoRA for LTX-2.3 removes people, pedestrians, and vehicles from a clip and rebuilds the background
- REDDIT · 2026-03-10 · 581 UPVOTES[LTX 2.3] I love ComfyUI, but sometimes...
[LTX 2.3] I love ComfyUI, but sometimes...
- REDDIT · 2026-06-26 · 575 UPVOTES3d to photoreal , open source IC-Lora for ltx 2.3
3d to photoreal , open source IC-Lora for ltx 2.3
- REDDIT · 2026-07-19 · 554 UPVOTESI expanded an entire movie from 4x3 to 16x9 using LTX 2.3
I expanded an entire movie from 4x3 to 16x9 using LTX 2.3