If you're looking for a Yay Images alternative, 123RF is a good option. It has a large library of more than 100 million royalty-free photos, vectors and illustrations. The site also has an AI Image Generator and six AI editing tools like an AI Image Upscaler and an AI Background Remix, so it's good for pros and small businesses.
Another option is Freepik, which offers an AI-powered creative suite with tools like a Designer, Mockup Generator and Reimagine. It's got a large library of assets, including photos, vectors, icons and videos, so it's good for designers and content creators. Pricing isn't clearly disclosed, but you can try the toolset for free and upgrade to premium for more advanced features and support.
If you're looking for something a bit different, check out Impossible Images. The site is famous for its AI-generated stock photos and offers a range of subscription tiers for different needs and budgets. The AI image generator lets you create custom images based on prompts, and the results are high-quality, original photos for social media, design and marketing.