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Model
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.ai
de beste open source AI-modellen

ComfyUI installeren

The node-based powerhouse for Stable Diffusion, Flux, Wan video and almost every new open source model. Free, open source, for Windows, Mac and Linux.
Beeldgeneratie
Windows
Mac
Linux
Licentie: GPL-3.0
ComfyUI-nodegids en probleemoplossing
Elke populaire node uitgelegd, met zijn fouten en hoe je ze oplost.

Wat is ComfyUI?

ComfyUI is a free, open source program for running AI image and video models on your own computer. Instead of one fixed form, it shows your generation as a graph of connected nodes: a model loader, a text encoder, a sampler, a decoder and so on. Each node does one job, and you wire them together into a workflow. That sounds technical, and it is, but it is also why ComfyUI is usually the first app to support a new model: the pieces can be rearranged for anything.
It is the right choice if you want the newest models (Flux, Flux 2, Wan, Hunyuan, Qwen Image, Chroma, LTX), want to run LoRAs, ControlNets, upscalers and video in one place, or want to share exact, reproducible workflows with others. The ComfyUI Desktop app makes the first install easy; the classic portable build gives full control. If you only want to type a prompt and get a picture, Fooocus or Invoke are gentler starts.
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Geen installatie nodig – draai AI-modellen in de cloud
BitVector Prism is de makkelijkste manier om te beginnen: kies een model, typ een prompt en genereer in een overzichtelijke web-app, zonder iets in te stellen. BitVector is ook beschikbaar op Discord en op het web (SpyGlass).

Wat je nodig hebt

Windows 10 or 11 with an NVIDIA graphics card (6 GB VRAM for SDXL, 12 GB or more for Flux and video; 24 GB is comfortable) is the best supported setup. AMD cards work on Linux with ROCm and on Windows through DirectML or ZLUDA, with more effort. Apple Silicon Macs (M1 and later) run ComfyUI natively through PyTorch MPS; 16 GB of unified memory is the practical minimum, 32 GB or more for Flux. You also need 20 to 100 GB of free disk space for model files, since one Flux checkpoint alone is about 12 to 24 GB.

Zo krijg en installeer je ComfyUI

  1. Open the official site (comfy.org) and download ComfyUI Desktop for Windows or Mac. It is a normal installer that sets up Python and everything else for you.
  2. Windows alternative: download the portable ZIP from the GitHub releases page, extract it to a short path such as C:\ComfyUI, and start run_nvidia_gpu.bat (or run_cpu.bat without a GPU).
  3. Linux, or manual install on any system: clone the GitHub repository, create a Python virtual environment, install PyTorch for your GPU (CUDA, ROCm or MPS) and then run pip install -r requirements.txt.
  4. Download at least one model file: for example an SDXL checkpoint, or Flux (the unet file plus the clip_l, t5xxl text encoders and the ae VAE). Civitai and Hugging Face are the usual sources.
  5. Put the files in the models folder: checkpoints go in models/checkpoints, Flux and video diffusion models in models/diffusion_models (or models/unet), text encoders in models/text_encoders (models/clip), VAEs in models/vae and LoRAs in models/loras.
  6. Start ComfyUI. The browser opens at http://127.0.0.1:8188 (the Desktop app has its own window). Install ComfyUI Manager from the menu if it is not already there; it finds missing custom nodes and models for you.
Download alleen via de officiële links op deze pagina. Installers van elders kunnen verouderd of gemanipuleerd zijn. ModelTrends.ai host geen bestanden.
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PirateDiffusion
Geen installatie nodig – draai AI-modellen in de cloud
PirateDiffusion is alleen op Telegram en gemaakt voor pro's: duizenden modellen, LoRA's en workflows via chatcommando's, met onbeperkt genereren voor een vaste prijs.

Zo gebruik je ComfyUI

  1. Load a template: the menu (Workflow > Browse Templates) has ready-made graphs for text to image with SD 1.5, SDXL, Flux and the video models. Pick one that matches a model you downloaded.
  2. In the Load Checkpoint (or Load Diffusion Model) node, choose your model from the list. If the list is empty, the file is in the wrong folder; press R to refresh after moving it.
  3. Type your prompt in the positive CLIP Text Encode node and anything you do not want in the negative one (Flux ignores negatives). Set the width and height in the Empty Latent Image node.
  4. In the KSampler node set the steps (20 to 30 for SDXL, 20 for Flux dev, 4 for Flux schnell and other distilled models), the CFG (5 to 7 for SDXL, 1 for Flux) and the sampler (euler or dpmpp_2m are safe choices).
  5. Press Run (or Ctrl+Enter). The image appears in the Save Image node and is also written to the output folder. Change the seed to get a different picture with the same prompt.
  6. To add a LoRA, add a Load LoRA node between the checkpoint and the text encoders, choose the file and keep the strength near 0.7 to 1.0. Every model page on ModelTrends.ai lists the trigger words to put in your prompt.

Tips en veelvoorkomende problemen

  • Out of memory? Start with --lowvram, pick an fp8 or GGUF version of the model, lower the resolution or close other GPU programs. Flux fp8 fits in 12 GB; GGUF Q4 versions fit in 8 GB.
  • Red nodes after loading a workflow mean a missing custom node. Open ComfyUI Manager, choose Install Missing Custom Nodes, then restart.
  • Drag any image generated by ComfyUI back onto the canvas to restore the exact workflow that made it, including prompt, seed and model.
  • Keep the models folder outside the ComfyUI folder and point to it with extra_model_paths.yaml, so you can update or reinstall ComfyUI without moving dozens of gigabytes.
  • On a Mac, the first generation after starting is slow while shaders compile; the second one is much faster. Keep the image size at or below 1024 on 16 GB machines.

Modellen die je in ComfyUI kunt draaien

ComfyUI runs nearly every open source model in this catalog: Stable Diffusion 1.5 and SDXL checkpoints, Flux and Flux 2, Qwen Image, Chroma, Z-Image, the Hunyuan, Wan and LTX video models, and their LoRAs. Check a model page here for the base model and trigger words, then put the file in the matching folder.
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Geen installatie nodig – draai AI-modellen in de cloud
Geen GPU, geen downloads, geen Python. Deze diensten draaien dezelfde opensourcemodellen op hun eigen servers, zodat je binnen een minuut kunt genereren vanuit een browser, Discord of Telegram.

Links

Deze links gaan naar de sites van de makers zelf. ModelTrends.ai is niet aan hen verbonden en host geen software.

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