If you want to experiment with ComfyUI but don’t want to invest in an expensive GPU, you still have options thanks to various cloud providers. However, you’ll need to carefully consider the trade-offs. Here’s what I’ve learned from my own experience (and some research with GPT):

1. Google Colab

Google Colab was my initial go-to for quick experiments. It provides free access to GPUs through Jupyter notebooks, so you can get ComfyUI running quickly by following the official instructions. The downside? Sessions are time-limited and can disconnect after a few hours, and free GPUs aren’t always available. Customizing the environment can also be tricky since everything resets when your session ends. Still, if you want to try ComfyUI without entering your credit card, Colab is a solid starting point.