Lightricks · 19B · Dense

Open 4K video with native stereo audio — text, image and video-to-video Check if your GPU or Mac can run LTX 2.3 locally — 10.6 GB min, 17.7 GB recommended.

2026-034K context

Quantization Options

QuantBitsVRAMQualityStatus
Q2_K26.6 GBlow
Q3_K_M39 GBmoderate
Q4_K_M410.2 GBgood
Q5_K_M512.7 GBgood
Q6_K615.1 GBexcellent
Q8_0820 GBexcellent
F161639.4 GBlossless

Can I run LTX 2.3 locally?

Can I run LTX 2.3 locally?
LTX 2.3 needs about 10.6 GB of memory at a minimum and 17.7 GB recommended. Open this page to grade it against your GPU or Mac, then run it with runai, Ollama or LM Studio.
How much VRAM does LTX 2.3 need?
At Q4_K_M, LTX 2.3 uses about 10.2 GB of VRAM. Higher quants need more memory; lower quants fit tighter cards with a quality tradeoff.