Model Details
About
Gemini 3.1 Flash Image Preview, a.k.a. "Nano Banana 2," is Google’s latest state of the art image generation and editing model, delivering Pro-level visual quality at Flash speed. It combines advanced contextual understanding with fast, cost-efficient inference, making complex image generation and iterative edits significantly more accessible. Aspect ratios can be controlled with the [image_config API Parameter](https://openrouter.ai/docs/features/multimodal/image-generation#image-aspect-ratio-c
Use via API
curl https://api.free.ai/v1/chat/ \
-H "Authorization: Bearer YOUR_KEY" \
-d '{"model":"google/gemini-3.1-flash-image-preview"}'
FAQ
Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) on Free.ai is a powerful AI-powered tool that you can use completely free of charge. No sign up required to get started.
Yes! Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) is completely free to use with generous daily limits. Sign up for a free account to get even more usage, or upgrade for unlimited access.
Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) uses state-of-the-art open-source AI models to deliver high-quality results. Your request is processed on our GPU servers and the result is returned in seconds.
No! You can use Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) immediately without signing up. Creating a free account gives you 3x more daily usage and saves your history.
Anonymous users get a generous daily allowance that resets every 24 hours. Signed-in users get 3x more. Paid plans offer unlimited usage.
Your data is processed securely on our servers and is not stored permanently unless you choose to save it. We do not sell or share your data.
Yes! Content generated by Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) is yours to use for personal and commercial purposes. Our AI models are all commercially licensed.
Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) on Free.ai delivers comparable quality to paid services using the latest open-source AI models. We believe powerful AI should be accessible to everyone.
Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) uses best-in-class open-source AI models including Qwen 2.5, FLUX, Whisper, and more. We regularly update to the latest models.
Yes! Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) works perfectly on mobile devices. Our responsive design adapts to any screen size.
Sign up for a free account to get 3x more daily usage. For unlimited access, check our affordable pricing plans starting at $5/month.
Yes! After generating content, you can download it, copy it, or share it via a unique link. Signed-in users can also view their generation history.