by Google
gemini-3.1-flash-image-preview (Nano Banana 2) features professional-grade visual intelligence, lightning-fast efficiency, and realistic, grounded generative capabilities. This model serves as the high-efficiency counterpart to Gemini 3 Pro Image, optimized for speed and high-volume developer use cases.
gemini-3.1-flash-image-preview (Nano Banana 2) features professional-grade visual intelligence, lightning-fast efficiency, and realistic, grounded generative capabilities. This model serves as the high-efficiency counterpart to Gemini 3 Pro Image, optimized for speed and high-volume developer use cases.
On AIHubMix, gemini-3.1-flash-image-preview costs $0.5 per million input tokens and $3 per million output tokens.
gemini-3.1-flash-image-preview accepts text and image input.
gemini-3.1-flash-image-preview supports thinking. Per-protocol parameter support is listed in the capability table on this page.
gemini-3.1-flash-image-preview is available through the AIHubMix unified API. The API is OpenAI-compatible: point your OpenAI SDK at https://aihubmix.com/v1, use your AIHubMix API key, and set the model name to gemini-3.1-flash-image-preview — no other code changes needed.
gemini-3.1-flash-image-preview is developed by Google. AIHubMix aggregates it alongside models from other providers behind one API and one bill.
Free version: gemini-3.1-flash-image-preview-free
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Use gemini-3.1-flash-image-preview via the AIHubMix unified API — one interface for every major LLM.