If you're looking for something other than Lexica, getimg.ai is a good alternative. This AI image generation and editing service offers a variety of tools, including an AI Generator to create images from text prompts, an Image Editor to tweak details, and ControlNet to steer the AI. It also offers an API and access to more than 80 community-trained AI models. You can use it for architecture, character generation and photorealism, and it can generate high-resolution images and work fast.
Another good option is DreamStudio, which uses the large SDXL 1.0 model to generate high-resolution images from prompts you type in. It's got features like image upscaling, customizable styles and prompts, and the ability to specify negative prompts to exclude elements you don't want. It's geared for pros who want realistic, detailed images, and you can control the size, count and style of the images it generates.
Facet is another alternative, targeted for use by professionals working together. It generates and edits images in real time with spatial and auto-enhanced prompts, so you can steer the elements of an image. The service offers a free tier and several paid options for different levels of image generation and collaboration.
Last is Enhance AI, which offers a broader range of image generation and editing abilities from text prompts. It's got image upscaling and custom styles, and flexible pricing options for different users. Its interface is easy to use, and the company has a Discord channel for collaboration. It's a good option if you want to automate your image creation and editing workflow.