Type a sentence, get a picture. AI image generators feel like magic the first time you use one, and they've become genuinely useful for everything from social posts to mood boards. Here's how they work, what the popular options are good at, and how to make your first image.
Want the same path as a short course? Open AI Earn on Google Play — that listing is the official app page.
How they actually work (briefly)
You give the tool a text description — a "prompt" — and it generates an image to match. Under the hood, these models learned patterns from enormous collections of images and text, so they can assemble something new that fits your words. You don't need to understand the math; you just need to describe what you want clearly.
The popular tools, in plain terms
- Midjourney — known for striking, artistic results. A favorite for beautiful, stylized images. It's paid.
- DALL·E — built into ChatGPT, so it's the easiest entry point if you already use that. Great for quick, "good enough" images.
- Other tools — there are many, including strong free options, which we cover in the best free AI image generators.
| Midjourney | DALL·E in ChatGPT | Other free-tier tools | |
|---|---|---|---|
| Best first use | Stylized, artistic pictures | A quick image without leaving chat | Trying image prompts at no cost |
| How you start | Paid product | Ask ChatGPT to create an image | See our free-generators guide |
| Typical weak spots | Cost for beginners | Fine control and consistency | Limits, watermarks, weaker quality |
For a broader view of where each sits, check our AI tools leaderboard.
How to write an image prompt
A good image prompt usually names four things: subject, style, details, and mood. For example: "A cozy reading nook by a rainy window (subject), watercolor style (style), with a steaming mug and a sleeping cat (details), warm and calm (mood)." The more specific you are, the closer you'll land.
Tip: generate several variations, then refine the one closest to your vision. Treat your first prompt as a rough sketch, not a final order.
What they're great at — and not
AI images excel at concepts, illustrations, backgrounds, and inspiration. They still struggle with some details — hands, text inside images, and precise, consistent characters can be hit or miss, though this keeps improving.
A note on rights and honesty
Rules around AI images and copyright are still settling, and they vary by tool and country. If you're using images commercially, check the specific tool's license. And if an image could be mistaken for a real photo of a real person or event, be honest that it's AI-generated. Responsible use keeps this fun for everyone.
Try it now
The fastest start: open ChatGPT and ask it to create an image of something simple you can picture clearly. Tweak your description, regenerate, and you'll get the hang of it within a few tries. Like everything in AI, the skill is in the asking.