Compare Nano Banana (Gemini 2.5 Flash Image) from Google and Nano Banana Pro (Gemini 3 Pro Image Preview) from Google on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.
Nano Banana (Gemini 2.5 Flash Image) and Nano Banana Pro (Gemini 3 Pro Image Preview) are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Nano Banana (Gemini 2.5 Flash Image), from Google, has a 32,768-token context window and is priced at $0.30/M tokens input, $30/M tokens output on OpenRouter.
Nano Banana Pro (Gemini 3 Pro Image Preview), from Google, has a 65,536-token context window and is priced at $2/M tokens input, $120/M tokens output on OpenRouter.