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Google: Nano Banana (Gemini 2.5 Flash Image)

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Gemini 2.5 Flash Image, a.k.a. "Nano Banana," is now generally available. It is a state of the art image generation model with contextual understanding. It is capable of image generation, edits, and multi-turn conversations. Aspect ratios can be controlled with the [image_config API Parameter](https://openrouter.ai/docs/features/multimodal/image-generation#image-aspect-ratio-configuration)

Providers 1
Released Oct 8, 2025
Input Modalities image, text
Output Modalities image, text

Available Providers (1)

Provider Model ID Input Cost Output Cost Context Max Output Docs
Kilo Gateway google/gemini-2.5-flash-image $0.30/MTok $2.50/MTok 32.8K 32.8K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output