Which tool to choose
Each one has a different philosophy. That's what counts, not the single feature.
- You want beautiful images effortlessly, for illustrations and artistic style: Midjourney. Its default rendering (light, composition, color) is polished; the others get there with more effort. It's paid.
- You need the AI to follow precise instructions and write readable text in the image (a sign, a label): OpenAI's image tool, built into the assistant many people already use. It's the most faithful to complex requests.
- You're after photorealism, believable photos: Flux, strong on photographic realism, available on various services at a low cost per image.
- You want to start for free, right away, without learning: Google's tool or the free versions via browser. Reliable results with simple requests, ideal for getting started.
- You want total control and no cost per image, and you're willing to tinker: an open-source tool you can run on your own computer, with full freedom but more complexity.
How to choose
From a browser or an app, the method is the same.
Write a single test prompt. The exact same text for all the tools you compare: only this way do you compare apples with apples.
The operational syntax, a test prompt that stress-tests several capabilities at once:
A small neighborhood bookshop seen from the outside at sunset, a sign reading "Libreria Aurora" clearly legible, a window with books, warm light, realistic photographic style, vertical format.Generate on two or three tools. Use the free or trial plans. Observe: who renders the sign best? Who has the most beautiful light? Who understands the vertical format?
Judge by what you actually need. If you make illustrations, weigh the aesthetics; if you need text in images, weigh the legibility of the sign; if you want photos, weigh the realism.
Count the real cost. Monthly subscription, cost per image, or free with limits: choose based on how many images you actually generate per month.
Keep one main tool and a backup. One for the bulk of the work, a second for the cases where the first misses the mark.
A concrete example
Federico opens an online candle shop and needs images for the site: some mood illustrations and a few labels with text. He tries the same prompt on three tools. For the mood illustrations, Midjourney wins: the light is right immediately. For the labels with the legible product name, OpenAI's tool is the only one that writes the text without errors. He decides to use Midjourney for the mood images and OpenAI's tool for anything containing text. Two tools, each for its strong point.
When it does NOT work (and how to fix it)
If no tool gets the text inside the image right
Writing correct words in an image is the weak point of almost all of them. Fix: use the strongest tool for text on images with writing, and for the hard cases generate the image without text and add the writing afterward with an editor. Don't insist with tools that mangle text.
If the results are beautiful but off-topic
Some tools favor aesthetics over fidelity: beautiful but off-brief. Fix: if you need precision (a specific object, an exact composition), choose the tool most obedient to instructions, even if its default is less spectacular.
If the cost climbs higher than expected
Generating by trial burns credits or images fast. Fix: refine the prompt on a free plan before moving to the paid tool, so you don't waste costly generations on attempts. Generate in high quality only when the prompt is already right.
If the style changes from one image to the next
For a coherent series (all the images on a site) the tools tend to vary. Fix: reuse the same style words in every prompt, and where possible use the reference-image feature to anchor the style to an example you like.
A tip from someone who actually uses it
Stop looking for the best in absolute terms: look for the best for your recurring prompt. People who generate images every day don't use the tool most awarded in the rankings, they use the one that responds best to the kind of images they make. Try the candidates on your real case, not on showcase examples, and forget the reviews that crown a single winner: the winner is you, when you find the right fit between tool and need.
Frequently asked questions
What's the best AI image generator in 2026?
There isn't one, and beware of anyone who points to one flatly. Midjourney for aesthetics, OpenAI's tool for complex instructions and text, Flux for realism, the free options for getting started. The best is the one that solves your specific problem.
Can I use the generated images to sell?
It depends on each tool's license, which varies and changes over time. Some grant full commercial rights on paid plans, others impose limits. Check the terms of the tool you use before putting an image on a product or an ad.
Do I need to know how to code to use them?
No, for the vast majority: you write a description in words and press generate. Only the open-source tools you run on your own computer require some extra technical skill; all the others are used from a browser or an app.
Is it better to learn one thoroughly or try them all?
Learning one well pays off more than constantly jumping from one to another: each tool has its own magic words and tricks, which you discover through use. Keep one main tool you master, and a second only for the cases the first doesn't cover. Chasing every novelty keeps you an eternal beginner on ten tools instead of an expert on one.