LingBot-Video-MoE-30B-A3B — GGUF (8GB-VRAM ready)
GGUF quantizations of
robbyant/lingbot-video-moe-30b-a3b
— a 128-expert Mixture-of-Experts text-to-video model — packaged to run on
consumer GPUs
via
ComfyUI_Rebels_LingBot.
Tested on an
RTX 3070 8GB / 16GB RAM.
How a 30B runs on 8GB
MoE "A3B" means ~3B active params per token, but a diffusion forward touches essentially all
experts each step — so the win isn't compute, it's that the weights never need to be
resident. The node loader keeps the quantized bytes in system RAM (memmap-backed) and
dequantizes on demand: regular linears per forward, and the 128-expert fused stacks one
expert matrix at a time, only for routed experts. Peak VRAM stays within 8GB; system RAM (as
page cache) is what carries the model.
Because of this, VRAM use is the same across all quant tiers — you pick a tier by how
much RAM you have, not VRAM.
Files
DiT GGUF GOES IN DIFFUSION MODELS FOLDER!
| File | Size | Notes |
|---|
LingBot-Video-30B-A3B-Q3_K_M.gguf | ~13 GB | Fits a 16GB machine's page cache → steps at RAM speed. Recommended for 16GB RAM. |
LingBot-Video-30B-A3B-Q4_K_M.gguf | ~17 GB | Best quality/size for 32GB-RAM machines. |
| higher tiers (Q5/Q6/Q8) | 20–32 GB | Only worthwhile with large RAM. |
The expert tensors are quantized (not passed through at F16) — the fused 3D stacks are split
to per-expert 2D matrices during conversion so the quantizer compresses them properly.
Also required (from the base repo / companion 1.3B repo): LingBot_vae.safetensors, a
Qwen3-VL text encoder, and the 30B transformer/config.json (placed in the node pack's
model_assets/ as transformer_config_30b.json).
Usage
Load with the LingBot 30B MoE Loader (GGUF) node; the rest of the graph (Structured
Prompt → Text Encode → Sampler → Video Combine) is identical to the 1.3B workflow.
The model requires structured JSON captions, not prose — use the Structured Prompt node
and always set lighting, or output drifts dark. See the GitHub pack for the full workflow.
Expect the first chunk to be slow (weights streaming from disk, page cache cold); it speeds
up as the cache warms.
License
Other — inherits the upstream LingBot-Video license from
robbyant/lingbot-video-moe-30b-a3b;
see that repo's LICENSE before redistribution or commercial use. Quantization is a format
conversion only. Quants & nodes by
RealRebelAI.