AI image generators are no longer the clunky, error-prone programs they once were. They’ve come a long way in a short amount of time, just like chatbots and AI video generators. AI image tools use some of the most advanced AI tech to create images that are indistinguishable from real photos. But still, there are big differences between the top programs, from Google’s Nano Banana to ChatGPT Images 2 and Stable Diffusion. Here’s how to pick the right one for your project.

Our Picks

Bottom Line

Google’s Nano Banana 2 is our best overall AI image model. Google’s models took the AI industry by storm in 2025. The original model was prais…

Pros & Cons


  • Excellent character consistency and realism

  • Can edit existing images as well as generate images

  • Can create legible text in AI images

  • Longer generation time

  • Info in graphics may be inaccurate

Bottom Line

Canva is our top basic pick for beginners. Canva is a user-friendly graphic design service and its AI image generator, Magic Media, is a great…

Pros & Cons


  • Extremely easy to create and edit images

  • Able to handle many aesthetics/styles

  • Free plan has a hard generation limit

Bottom Line

Adobe Firefly is the best AI image generator for creative professionals. Firefly is built directly into Adobe Creative Cloud, including Photos…

Pros & Cons


  • Commercially safe outputs

  • Integrated with and exportable to other Adobe programs

  • Struggles with text in images

Bottom Line

Stable Diffusion is the best open-source AI image model we’ve tested. It’s a household name in AI image generation for a reason. This family o…

Pros & Cons


  • Fast generation time

  • Stability AI offers extensive editing tools

  • Complicated availability because it’s open source

Bottom Line

Midjourney is the most creative AI image generator we’ve tested. That makes it a great choice for brainstorming, storyboarding or other types …

Pros & Cons


  • Extremely creative results, versatile stylistically

  • Community focus with an active Discord server

  • Too realistic generations of protected characters

Bottom Line

 ChatGPT Images 2.5 is the best option for ChatGPT users. OpenAI’s AI image tools are built directly into ChatGPT, making it a convenient choi…

Pros & Cons


  • Available with free or paid ChatGPT account

  • Very creative images, sometimes has good text in images

  • No advanced editing tools

CNET reviewers have extensively tested each service on this list. We’ve generated everything from photorealistic stock images to fantastical sci-fi scenes to cartoon-style graphics. A good AI image generator can handle a variety of styles, but a great AI image generator will also give you the tools to fix errors when they inevitably pop up. Customizable settings or hands-on controls are a great perk for professionals, whereas beginners may be more comfortable using a chat-to-edit workflow. We also closely inspect each service’s privacy and use policies to understand how a company uses your data.

Three AI generated images of a dark-haired girl sitting at a piano, made by OpenAI, Adobe Firefly and Nano Banana.

From left to right, this is how OpenAI, Adobe Firefly Image Model 5 and Gemini 2.5 Flash Image (Nano Banana) interpret the same prompt of a dark-haired girl sitting at a piano.

Created by Katelyn Chedraoui using ChatGPT, Adobe Firefly and Gemini/CNET

What’s the best AI image generator?

The best AI image generator is Google’s Nano Banana Pro. Google’s AI model knocks all the other models out of the park, particularly with its ability to create photorealistic images and include legible text. The Nano Banana models make the fewest errors, sometimes called hallucinations. No matter what kind of creative project you’re working on, Nano Banana is going to be a good starting point for AI assistance.

Two AI images of a ship, left made by Nano Banana, right made by Adobe Firefly

You can see here how each model interpreted the same prompt differently. Nano Banana (left) used a more fantasy aesthetic while Firefly 5 (right) has a more photorealistic look.

Created by Katelyn Chedraoui using Gemini and Adobe Firefly

How we tested AI image generators

CNET takes a practical approach to reviewing AI image generators. Our goal is to determine how good it is relative to the competition and which purposes it serves best. To do that, we give the AI prompts based on real-world use cases, such as rendering in a particular style, combining elements into a single image and handling lengthier descriptions. We score the image generators on a 10-point scale that considers factors such as how well images match prompts, creativity of results and response speed. See how we test AI for more.

AI image generators compared

CNET top picks Best for CNET’s score Price Style Parent company Latest model
Nano Banana Best choice overall for any AI image generation 8.5 Free, options to upgrade starting at $20 a month Excels at character consistency, realism Google Nano Banana 2
Adobe Firefly Professional creators 8 Plans start at $10 a month, credits sometimes included in other Adobe plans Versatile, great for any project Adobe Adobe Firefly Image Model 5
OpenAI ChatGPT users 7 Free, options to upgrade starting at $20 a month Good at cartoon-ish styles OpenAI ChatGPT Images 2.5
Canva Beginner or non-professional creators 7.5 Free, options to upgrade starting at $13 a month Can handle a lot of different styles Canva Canva AI/Magic Media
Stable Diffusion Open-source AI creation 7 Depends on method, Stability AI is $10 a month Excels at a variety of styles, including realistic Stability AI, open source Stable Diffusion 3.5
Midjourney Brainstorming and other creative work 6.5 Plans begin $10 a month Excels at highly detailed, non-realistic styles Midjourney Midjourney V8.2

How to choose an AI image generator

AI image and video generation is a growing and controversial industry. Creators, artists and copyright owners have voiced serious concerns about how AI models are trained, sometimes on their copyright-protected work, allegedly without their permission and compensation. There are also worries that the guardrails and policies companies have in place aren’t enough to prevent the creation of abusive and illegal AI content. Because of this, it’s important you check a service’s policies before you use it and disclose your use of AI if you post images online.

Accuracy is an important factor to consider when evaluating AI image generators. Accuracy in this case refers to how well a service matches your prompt and how clearly elements and details are rendered. For example, a service that closely matches the sci-fi/fantasy spaceship scene described in a prompt would be considered accurate, as would a service that generates a picture of a human with a clear expression. 

On the flip side, hallucinations, or the way AI makes stuff up, are also important to consider. Hallucinations for AI images tend to be seen in the weird quirks or flaws that you didn’t request, like people with three arms or disappearing elements. Creativity is an inherent necessity of an AI image generator, but hallucinations are obvious flubs, not whimsical or non-realistic style elements. All AI image generators run into these problems, but great AI services have them less frequently and offer editing tools ready to fix them.

The number of clarifying prompts required indicates how much work you’ll have to put into getting the image you want. If you can’t follow up with an edit or additional request, that can be a red flag or annoyance to look out for. Generators that adhere closely to prompts and offer editing tools make it easier to bring your vision to life.

Response speed is also important to consider. Most image generators are pretty fast, less than two minutes or so. Services that can generate images faster than that, between 10 and 30 seconds, bring an edge to their user experience.

We also pay close attention to an AI company’s policies. Many groups, including celebrities, researchers and copyright owners, are concerned with AI’s ability to create content that could potentially infringe upon others’ legal protections. Our testing of newer AI generators includes seeing how they respond to prompts that ask for specific brand names and products, whether that’s an iPhone or the Teenage Mutant Ninja Turtles. Often these prompts are rejected. Moderation systems and privacy policies are integral parts of your user experience, and we highly recommend you review them before using any AI program.

Two AI images of unicorns in a field, left made by Midjourney, right made by Canva
You can see Midjourney (left) really leans into its signature high fantasy style while Canva (right) goes for an image that’s somewhat more realistic (or as realistic as unicorns can be).Created by Katelyn Chedraoui using Midjourney and Canva AI

Other AI image generators we tested

A previous version of this article selected OpenAI’s Dall-E 3 as our best overall pick. It was also a CNET editor’s choice award winner in 2024. OpenAI retired Dall-E in July 2026, so you can no longer use those models. Now, ChatGPT Images is the default creative experience inside the chatbot.

Leonardo.Ai was one of our favorite AI image generators in 2023. It offers helpful prompt engineering tools for beginners, has a generous generation credit policy and makes vivid results. In 2024, Leonardo.Ai was acquired by Canva. You can still use Leonardo.Ai through its solo website.

AI image generator FAQs

Is there a free AI image generator?

There are a couple of free and freemium AI image generators to choose from, but we recommend starting with OpenAI or Canva. Both of these services offer free AI image generation, though you’re likely going to need to upgrade to paid plans for more features and higher generation limits.

How do I make the best AI images?

To make the best AI image, you’re going to want to build the right image prompt. As you’re writing what you want your generator to create, make sure you’re including the style, aesthetic, dimension and any specific elements you want to be included. Some generators have a hard time adhering to specific prompts, but it’s better to start with a specific prompt and refine or scale back as needed. Check out our guide to writing the best AI image prompts for more tips.

Why does my AI image look weird?

There are many reasons your AI image generator might not be giving you what you want. Try adjusting your prompt, using customization settings and editing tools to eliminate quirks or conflicting elements. But sometimes your only option is to scrap your idea and start again. Our guide to fixing the most common AI image hallucinations offers more in-depth advice.

Should I disclose that my image was made by AI?

Yes. If you’re using an image that is entirely created by an AI image generator, you should disclose that wherever you’re sharing it.

Can I copyright an image made with AI?

Copyright is one of the most pressing legal questions in the age of AI. Unfortunately, it’s also something of a tangled web. You’re able to receive copyright protection for AI-edited content, provided you disclose your use of AI. But if you have a piece of content that’s entirely AI-generated, you likely won’t receive copyright protection. There are very rare exceptions. For more on copyright and AI, check out this explainer on how copyright law applies to AI.

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