Wan 2.1 T2V 14B (wan family)
Parameters: 14 B (active:  B)
Mixture-of-experts: no
Release: 2025-02
Modality: video
Model license: Apache-2.0 (commercial use: yes)
Architecture: dit (backbone 14 B)
Backbone size (GB by quant):
fp16: 28.6
q8: 15.9
q4: 10.1
q2: 6.99
Additional components: name: umT5-XXL text encoder
fp16_gb: 11.4
fp8_gb: 6.74
q4_gb: 3.66
offloaded: yes
VAE size: 0.51 GB
Default output: 1280×720 (720p), 81 frames (~5 s)
Recommended setup: gb: 12
quant: Q4 GGUF
Memory without offload: 40 GB; offload floor: 8 GB
Device classes: mac, nvidia, amd
Tools: ComfyUI, Diffusers
Notes: Full-size Wan 2.1 (14B DiT, stable at 720p). Backbone bf16 is ~28.6GB; the umT5-XXL encoder is offloaded to CPU. GGUF Q4_K_M (10.1GB) + T5 on CPU runs at ~10-12GB peak; full bf16 no-offload needs ~40GB. Apache-2.0, commercial OK. Anchor is the GGUF Q4 path (synthesis). Sources: Wan-AI card, city96 14B GGUF, diffusers Wan docs.