A simple Chroma workflow that allows GGUF models with one LoRa for fast generations. Silveroxides quantized models can be found at <a target="_blank" rel="ugc" href="https://huggingface.co/silveroxides/Chroma-GGUF/tree/main">https://huggingface.co/silveroxides/Chroma-GGUF/tree/main</a> and accelerating LoRAs at <a target="_blank" rel="ugc" href="https://huggingface.co/silveroxides/Chroma-LoRA-Experiments/tree/main">https://huggingface.co/silveroxides/Chroma-LoRA-Experiments/tree/main</a>. Lodestones amazing original work here: <a target="_blank" rel="ugc" href="https://huggingface.co/lodestones/Chroma/tree/main">https://huggingface.co/lodestones/Chroma/tree/main</a>V 1.1Adapted my simple GGUF &amp; LoRA WF so it can work with Nunchaku (needs Comfy_Nunchaku v0.3.3 or 0.3.4 to be able to load a folder. Higher versions no longer support that feature).<ol><li>Download from <a target="_blank" rel="ugc" href="https://huggingface.co/rocca/chroma-nunchaku-test/tree/main/v38-detail-calibrated-32steps-cfg4.5-1024px">https://huggingface.co/rocca/chroma-nunchaku-test/tree/main/v38-detail-calibrated-32steps-cfg4.5-1024px</a> the files: comfy_config.json, config.json, transformer_blocks.safetensors and unquantized_layers.safetensors and put them in a folder, say Chroma_Nun in the diffusion_models folder of ComfyUI.</li><li>In the workflow, use the Nunchaku_Flux_DIT_Loader node to select the above folder/path.</li><li>Get creative and enjoy the speed.</li></ol>A big thanks to Joe Rocca for quantizing Chroma v38 for NunchakuEdit: The first workflow I uploaded had the wrong LoRA nodes. It should be fixed. Re-download.V 1.2<span style="background-color:rgb(26, 27, 30);color:rgb(193, 194, 197);font-family:-apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;;font-size:16px">Added an Ultimate SD Upscale node for higher resolutions. Recommended sampler/scheduler: res_2s/bong_tangent for quality, euler/simple for speed, depending on the situation or subject.

Simple GGUF & Lora Chroma WF

Adapted my simple GGUF &amp; LoRA WF so it can work with Nunchaku (needs Comfy_Nunchaku v0.3.3 or 0.3.4 to be able to load a folder. Higher versions do not support that feature).<ol><li>Download from <a target="_blank" rel="ugc" href="https://huggingface.co/rocca/chroma-nunchaku-test/tree/main/v38-detail-calibrated-32steps-cfg4.5-1024px">https://huggingface.co/rocca/chroma-nunchaku-test/tree/main/v38-detail-calibrated-32steps-cfg4.5-1024px</a> the files: comfy_config.json, config.json, transformer_blocks.safetensors and unquantized_layers.safetensors and put them in a folder, say Chroma_Nun in the diffusion_models folder of ComfyUI.</li><li>In the workflow, use the Nunchaku_Flux_DIT_Loader node to select the above folder/path.</li><li>Get creative and enjoy the speed.</li></ol>A big thanks to Joe Rocca for quantizing Chroma v38 for NunchakuEdit: The first workflow I uploaded had the wrong LoRA nodes. It should be fixed. Re-download.

Files with SHA256: 94bfaa606ac0371cac4ac3f37125e631d9f2db3987fa5e8da6d9f5a083b4dc3d