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Stable Diffusion 3.5 in ComfyUI: Complete Workflow Tutorial
Neura Editorial April 24, 2026
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Set up and run Stability AI's SD 3.5 Large and Medium models in ComfyUI with optimized workflows.
Stability AI's Stable Diffusion 3.5 brings improved image quality, better prompt adherence, and native support for multiple aspect ratios. This guide covers downloading SD 3.5 Large (8B parameters) and Medium (2.6B parameters) model variants, ComfyUI node setup with the native SD3 workflow, text encoder configuration (triple CLIP: CLIP-L, CLIP-G, T5-XXL), VRAM requirements and optimization (fp8 for T5 encoder), comparison with SDXL and FLUX, prompt engineering differences from previous versions, and practical quality tips.
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