Model Information

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Description

Generates Wan 2.1 videos in a fraction of time.

  • Sampler: LCM

  • Steps: 4-8

  • CFG: 1

  • Sigma-Shift 5

Original Model from Lightx2v converted to FP8 quantisation.

8 GB VRAM, 32 GB RAM

Sample times: <2 minutes for 81 frames, 4 steps on RTX 4070 Ti Super.

Compatible with 14B LoRAs.

If needed:

Clip/T5-Encoder: umt5_xxl_fp8_e4m3fn_scaled.safetensors

Wan 2.1 Lightspeed

Lightspeed-i2v-14B-480p

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Model Details

Type
AI Model
Task
text-to-image
Subtype
Safetensors / Checkpoint AI Model
Created
Updated
June 14, 2026

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