If the CheckpointLoaderNF4 doesn't show up, go to your ComfyUI-Manager install directory, open the config.ini and set the security level to "normal-". Open up ComfyUI and select the dev-channel in the manager. Then install the "comfyui bitsandbytes nf4" custom node. Done!
The FLUX.1 [dev] Model is licensed by Black Forest Labs. Inc. under the FLUX.1 [dev] Non-Commercial License. Copyright Black Forest Labs. Inc.
IN NO EVENT SHALL BLACK FOREST LABS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH USE OF THIS MODEL.
Simple Flux Text 2 Image generation with an Upscale, followed by an Ultimate SD Upscale.