AnalysisVisual AISeptember 1, 2026

ComfyUI user reports big speed jump with H3 SLA LoRA

A user on r/ComfyUI reports rendering 1920x1088 10-second clips in 5 minutes for i2v and 154 seconds for t2v using the minimax_h3_fl2v_turbo_4step_v0.1_768p_sla_comfyui_bf16.safetensors LoRA with the H3 SLA attention node on an RTX 5090 with 64GB RAM.

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