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 — 10.5 GB min, 23.9 GB recommended.

2026-034K context

Quantization Options

QuantBitsVRAMQualityStatus
Q2_K210.5 GBlow—
Q3_K_M312.9 GBmoderate—
Q4_K_M414.1 GBgood—
Q5_K_M516.6 GBgood—
Q6_K619 GBexcellent—
Q8_0823.9 GBexcellent—
F161643.3 GBlossless—

Can I run LTX 2.3 locally?

Can I run LTX 2.3 locally?
LTX 2.3 needs about 10.5 GB of memory at a minimum and 23.9 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 14.1 GB of VRAM. Higher quants need more memory; lower quants fit tighter cards with a quality tradeoff.