Nano Banana 2 Setting response_modalities=IMAGE to Return Only Images Saves How Many Tokens? Actual Billing Analysis
Author's Note: Deep analysis of the Token consumption differences when setting Nano Banana 2's response_modalities to IMAGE-only output. Breaks down the billing rules for image/text/thinking Tokens and provides the optimal cost-saving configuration. When calling Nano Banana 2 for image generation, the response_modalities parameter has two settings: ["Text", "Image"] (default) and ["Image"] (image only). A natural…
