It depends on the tool and your subscription tier. Adobe Firefly is the safest option for commercial use because its training data is fully licensed. Midjourney allows commercial use on paid plans. DALL-E 4 grants users rights to the images they generate. Stable Diffusion’s open-source models vary depending on which specific model you’re using. We’d recommend reading each tool’s terms of service carefully before using outputs in client work or advertising, and consulting a lawyer for high-stakes commercial applications.

Microsoft Designer, which uses DALL-E 4, is our pick for the best free AI image generator in 2026. It offers a generous daily generation limit with no watermarks and no credit card required. Ideogram is a close second, particularly if you need to generate images with text in them. Stable Diffusion is technically free if you run it locally, but the setup requirements mean it’s not really “free” in terms of time and technical effort.

This is an evolving legal area and the honest answer is that there’s still significant uncertainty. Most AI image generators were trained on large datasets scraped from the internet, which has led to ongoing litigation. Adobe Firefly is the notable exception, having been trained on licensed Adobe Stock images and public domain content. In most jurisdictions as of early 2026, AI-generated images themselves are not eligible for copyright protection by the human user, though this is also being actively contested in courts. We’d recommend following developments in your jurisdiction if this is relevant to your business.

Yes, in our view Midjourney is still worth paying for if aesthetic quality is your priority. The v7 model produces consistently impressive results that other tools haven’t fully matched for creative and artistic work. The main reasons to look elsewhere are: you need a free tier (Midjourney has none), you need reliable text rendering in images (Ideogram is better), you’re working in a commercial context that requires licensed training data (Firefly is safer), or you want a simpler prompt experience without a learning curve (DALL-E 4 is more accessible).