If you're looking for a ComfyUI alternative, getimg.ai is worth a look. The platform has a variety of tools for generating new images, editing existing ones and training your own AI models. It also comes with tools like Real-Time AI Generator for fast image generation, AI Canvas for extending images beyond their edges and DreamBooth for training your own AI models. The service can generate high-resolution images, and its pricing options are based on credits.
Another option is Dreamlike Art, which uses Stable Diffusion technology to generate original images. It's got a simple interface and can run in a browser without installation for fast generation and the ability to queue up lots of images for parallel processing. It offers a variety of AI models for generation and editing, so it's good for people who want high-quality images they can fine-tune.
If you want to work collaboratively, Facet is a good option. It's geared for pros, but it lets you generate and edit images in real time with controllable elements using spatial prompts and auto-enhanced prompts. Facet offers several pricing levels, from basic to advanced collaboration abilities.
If you want something more basic but still relatively affordable, check out Artsmart.ai. The service lets you generate high-quality images from text prompts, and it's got tools for image upscaling, inpainting and hyper-realistic generation. It also has an API so you can add AI content to your workflow, making it a good option for a variety of creative projects.