Gemini 3.1 Flash Image

gemini-3.1-flash-image · Google

gemini-3.1-flash-image (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.

API Pricing

Input$0.5 / 1M tokens
Output$3 / 1M tokens

Specifications

Context131K tokens
Max output32.8K tokens
Modalitiestext, image, PDF, video
CapabilitiesThinking, Web search, Multimodal output

Frequently asked questions

What is gemini-3.1-flash-image?

gemini-3.1-flash-image (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.

What is the context length of gemini-3.1-flash-image?

gemini-3.1-flash-image has a 131,072 token context window. It supports up to 32,768 output tokens.

How much does gemini-3.1-flash-image cost?

On AIHubMix, gemini-3.1-flash-image costs $0.5 per million input tokens and $3 per million output tokens.

What modalities does gemini-3.1-flash-image support?

gemini-3.1-flash-image accepts text, image, PDF and video input.

What capabilities does gemini-3.1-flash-image support?

gemini-3.1-flash-image supports thinking. Per-protocol parameter support is listed in the capability table on this page.

How do I call gemini-3.1-flash-image via API?

gemini-3.1-flash-image 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 — no other code changes needed.

Who created gemini-3.1-flash-image?

gemini-3.1-flash-image is developed by Google. AIHubMix aggregates it alongside models from other providers behind one API and one bill.

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Use gemini-3.1-flash-image via the AIHubMix unified API — one interface for every major LLM.