<h3 id="12-steps-cfg-1.5-about-16-seconds-on-a-5090">12 steps, CFG 1.5, about 16 seconds on a 5090</h3>(Text to Image + Image to Image)Two ways to run it, chosen with one number. There is a single blue INPUT box near the left:1 = text to image. Type a prompt, press Run.2 = image to image. Load your own picture, press Run.<div data-youtube-video><iframe width="640" height="480" allowfullscreen="true" autoplay="false" disablekbcontrols="false" enableiframeapi="false" endtime="0" ivloadpolicy="0" loop="false" modestbranding="false" origin playlist src="https://www.youtube.com/embed/rst_h25FAXM" start="0"></iframe></div>Two samplers sit behind that box with the denoise already correct for whichever you pick, so thereis one knob and not two. The half you did not choose never runs — nothing to mute, nothing wasted.This is the one to use when you want a negative prompt. At CFG 2 the model listens to it, which the turbo settings at CFG 1 cannot. CFG 1.5+ with 12+ steps is deliberate and it is a pair: push the CFG higher without adding steps and the bright colours pin to maximum.<h3 id="what-it-runs-on">WHAT IT RUNS ON</h3>Our own Krea 2 build, and it is free — every build on that page opens for any signed-in member, no code and no card. You also need the Krea 2 text encoder and VAE from the official Comfy-Orgrepository, and the ComfyUI Impact Pack from ComfyUI Manager (that is the switch, and it is the only extra thing this file needs).Watch the VAE: it is qwen_image_vae, NOT wan_2.1_vae. Use the wrong one and nothing warns you — noerror, no red border. It runs every step, decodes, saves a picture, and the picture is colouredstatic.<h3 id="there-are-three-of-these">THERE ARE THREE OF THESE</h3>Turbo (8 steps, CFG 1, ~6s, no negative prompt),Extended (16 steps, CFG 2, ~16s, negative works),and Base (20 steps, CFG 3, ~46s, negative works).They are genuinely different files, not three presets of one. Start with Turbo if you just want to see something.Everything — all three files, the model, the folder each file goes in, and the settings: <a target="_blank" rel="ugc" href="https://forgebun.com/go/civit_krea2_workflows">grab here</a>.The model on its own: <a target="_blank" rel="ugc" href="https://forgebun.com/go/pro_models">grab here</a>.Workflow, settings and write-up are mine. Krea 2, its text encoder and VAE are Comfy-Org's. Theswitch node is from the ComfyUI Impact Pack by ltdrdata.

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