For a powerful image generation tool with commercial use rights and private mode, CGDream is a great option. This AI image generator can create images from text prompts, existing images, or 3D models, with features like priority generation, concurrent job runs, and the ability to fine-tune results. The premium tier offers private mode, commercial use, and up to 24 image variations per job, so it's good for both creative and commercial work.
Another option is Enhance AI, an image generation and editing platform. You can generate realistic images from text prompts, enhance existing images, and apply custom styles. The service offers flexible pricing options and an easy-to-use interface, making it a good starting point for beginners. Enhance AI supports commercial use and has a community where you can collaborate and get help.
For a more API-centric approach, Picogen is a simple integration with REST and supports multiple AI models like Midjourney and Stable Diffusion. It offers a range of pricing tiers, including a free pay-as-you-go option, and concurrency levels and private mode, so it's good for professionals and businesses looking to automate visual content creation.