InstantArt

InstantArt is a web-based AI image generation tool for artists, designers, content creators, and art enthusiasts who want to create images from prompts quickly.

Key capabilities include:

• 25+ style-focused stable diffusion models, covering genres like portrait, anime, surreal, cyberpunk, watercolor, oil painting, landscape, and abstract.
• Text-to-image and image-to-image generation, letting users write a prompt or upload an image as a starting point.
• High-resolution output options, including photorealistic 4K renders and support for artwork up to 8K resolution, plus detailed 3D environments and lighting options (including Rembrandt light and global illumination).
• Generation controls such as resolution/dimensions, guidance scale, image count (up to 4), then download the results.

Pricing: Free (unlimited generations available with a free account; the site also offers one free image without an account).

What makes it notable is the combination of unlimited free generation with a broad set of style-specific models and practical controls for quality and composition, making it useful for everything from concept art and illustrations to photorealistic renders.