Nano Banana (Gemini 2.5 Flash Image) chat
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
Capabilities
Context Window 32k tokens
Max Output 32k tokens
Inputs
Outputs
Pricing (per 1M tokens)
Input $0.30
Output $2.50
Cache Read $0.03
Cache Write $0.08
Supported Parameters
max_tokensresponse_formatseedstopstructured_outputstemperaturetop_p