LastKV-Wan-14B

480p causal text-to-video generation with LastKV, based on Wan2.1-T2V-14B.

FP32 generator weights from step 10,000. This is the EMA version; raw weights are also available.

Paper results

VBench scores (%, higher is better), from Table 8 of the paper.

Model	Quality	Semantic	Total
Transformer	82.2	72.7	80.3
LastKV	83.0	76.4	81.6

These results correspond to the step 10,000 EMA checkpoint.

Full VBench breakdown (16 metrics)

Individual scores from the same paper EMA evaluation (%, higher is better).

Metric	Transformer	LastKV
Subject consistency	93.4	94.6
Background consistency	95.3	95.1
Temporal flickering	96.6	97.8
Motion smoothness	98.4	98.9
Dynamic degree	68.1	73.3
Aesthetic quality	61.1	61.6
Imaging quality	66.9	62.8
Object class	86.2	92.1
Multiple objects	66.3	75.5
Human action	95.0	96.0
Color	80.3	86.5
Spatial relationship	68.3	71.7
Scene	48.9	47.2
Appearance style	20.3	21.6
Temporal style	22.2	23.0
Overall consistency	24.4	25.4

Use the matching LastKV implementation with config.json and the Wan2.1 VAE/text encoder. Load all 12 weight shards through the safetensors index.

Project page · Paper