Best AI image generators (2026): quality, limits and price
A comparison of Gemini (Nano Banana), ChatGPT and Microsoft Copilot for generating and editing images: what the free version allows, minimum age, resolution and what paying adds.
Date checked: 16 October 2026. Features and plans change; always check the official site.
The three big platforms generate images in the browser or on mobile. Differences according to their official sites:
| Gemini (Nano Banana) | ChatGPT | Microsoft Copilot | |
|---|---|---|---|
| Free | Yes, signed in | Limited creation | With a personal account |
| Paid | Google AI plans: 2K download and Nano Banana Pro | Go, Plus and Pro: more capacity and more precise images | Microsoft 365: higher usage than free |
| Edit your own photo | Yes (18+) | Depends on plan | Depends on plan |
| Free resolution | 1K download | Not published | Not published |
| AI label | — | — | Content Credentials (C2PA) on Copilot images |
What to use when
- Infographics or text inside the image: Gemini, which Google says renders text with better spelling.
- You already use ChatGPT daily: its free version includes limited image creation.
- You work in Office: Copilot, with more usage on Microsoft 365.
Practical guide in create images with AI for free and how to spot fake images in spot deepfakes.
Checked offers: Midjourney trial in niji・journey.
Frequently asked questions
What resolution does Gemini give for free?
According to Google, you can download at 1K without an AI plan and 2K with a Google AI plan.
Is there a minimum age?
In Gemini, 13 (or your country’s age) to generate and 18 to edit images.
How much AI costs in Spain: Midjourney price (in dollars) (checked 16 Oct 2026)
Keep reading
Sources
Change log
- : First published with Gemini help and ChatGPT and Microsoft 365 plans checked on 16/10/2026.
Educational content, prepared with the help of AI tools, with sources cited. It is not a substitute for professional advice. Tools change fast: if you spot something out of date, write to us at contacto@cognenza.com. How we work.