3D AI Studio is a good option for ease of use and speed of generation. It lets you turn text prompts or images into 3D assets, including models, animations and textures. The suite of tools includes Text to 3D, Image to 3D, AI Texturing and a variety of export options. The tool is designed to help you save time and money, and thus is good for game development, animation and other uses.
Another option is Meshy. It can convert text prompts or images into 3D models and can also add AI texturing and support for multiple languages. Meshy can produce realistic, cartoon and voxel art styles, and exports in several formats. It's good for AR/VR, gaming and digital design, and comes in several pricing tiers, including a free option.
Kaedim uses machine learning technology in conjunction with human artistry to create 3D assets. It can generate more than 10,000 editable models instantly from 2D images or text prompts. Kaedim is geared for game studios and developers, with tools like image to 3D conversion, artist refinement and editing, and thus can be useful for creating the crucial 3D assets that are often in short supply.